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319 Cards in this Set
- Front
- Back
what is the main problem in occlusive artery disease?
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Diminished perfusion
|
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what are three possible causes of diminished perfusion in occlusive arterial disease?
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(1) atherosclerosis
(2) thrombosis (3) embolization |
|
what is the progression of endothelial dysfunction in occlusive arterial disease?
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foam cells-->fatty streak-->intermediate lesion-->atheroma-->fibrous plaque-->complicated lesion/rupture
|
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what is one of the largest risk factors for occlusive arterial disease?
|
SMOKING
|
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what type of problem is vascular disease?
|
systemic problem
|
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what are the three types of peripheral vascular disease?
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(1) arterial disease
(2) venous/lymphatic disease (3) thoracic outlet obstruction |
|
what two vessels are occluded cerebrovascular disease?
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carotid arteries and vertebral arteries
|
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these arteries are the vessels that serve the anterior brain; serve motor and sensory cortex, frontal lobes, and are the most commonly diseased in cerebrovascular disease
|
carotid
|
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these arteries serve the posterior portion of the brain, and symptoms of occlusion include loss of sight/balance/awareness
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vertebral
|
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what are two ways that a carotid plaque can cause a stroke?
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(1) arterial thromboembolism (platelet aggregates associated with obstructing plaque)
(2) hemodynamic compromise |
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what is the number one cause of embolic stroke?
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carotid artery disease
|
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what are two treatments for people with carotid artery disease if greater than 50% of the artery is blocked?
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(1) carotid endarterectomy
(2) carotid angioplasty and stenting |
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if there is a compromise of the hypoglossal nerve during carotid artery surgery, what will the tongue display?
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tongue will point to the side operated on
|
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if there is a compromise of the vagus nerve during carotid artery surgery, what will the patient have issues with?
|
vocal cord issues (recurrent laryngeal nerve)
|
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in this syndrome, exercise of the ipsilateral (typically left) arm results in dizziness an in extreme cases, syncope
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subclavian steal syndrome (SSS)
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what are three signs/symptoms of chronic arterial insufficiency in LE arterial disease?
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(1) claudication
(2) rest pain (3) gangrene/tissue loss |
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what are two signs/symptoms of acute arterial insufficiency in LE arterial disease?
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(1) the cold foot
(2) distal emboli |
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this is pain and cramping in a muscle group which is inducible with exercise and relieves promptly with rest; patient will sometimes describe heaviness and discomfort. Most commonly occurs in calf musculature
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claudication
|
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this type of claudication is when there is marginal arterial supply with exercise; the skin of foot is frequently dry but intact, and there is typically very little hair below mid lower leg
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intermittent
|
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what are some possible interventions for claudication?
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(1) smoking cessation
(2) diet (3) activity (4) pharmacologic intervention (5) surgical intervention |
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this is pain in the foot that occurs at rest, but is alleviate with dependency (because gravity helps perfusion)
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rest pain
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in this type of pain, there is marginal arterial perfusion to the foot; pain is usually in the disatl foot, particularly over the top, and it will have poor color when elevated, but become bright red when dependent
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rest pain
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this is caused by severe arterial insufficiency such that the most distal tissue become nonviable
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gangrene/tissue loss
|
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what four signs/symptoms must be present for someone to have acute ischemia?
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The four P's
(1) pain (2) pulselessness (3) pallor (4) paresthesias |
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what are the two types of occlusions in acute ischemia?
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(1) aortoiliac
(2) infrainguinal |
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what type of acute ischemia is the most common?
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infrainguinal
|
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this type of acute ischemic occlusion is very rare, and presents with limb ischemia, acute abdominal pain, and it is extremely deadly (52% operative mortality)
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aortoiliac occlusion
|
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this type of acute ischemia is more common and often embolic; prognosis is good if it is treated early, and can be caused by atrial fibrillation (embolism from the heart to the leg)
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infrainguinal occlusion
|
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this vascular tree is located above the inguinal ligament
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inflow
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this vascular tree is located from the inguinal ligament to the knee
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outflow
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this vascular tree is located below the knee (diabetics often have complications here)
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run-off
|
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how many different levels of disease are there in the lower extremity vascular tree, and what are their names?
|
three
inflow, outflow, and runoff |
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in order to palpate a distal pulse, what is the required blood pressure?
|
80-100 mm Hg systolic
|
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this is the ratio of blood pressurein the tibial arteries to the blood pressure in the arm
|
ankle-brachial index
|
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what are the three imaging tests that are used to see vasculature?
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angiography, CT, MRI
|
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what are the two open surgical procedures used to treat vascular disease?
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(1) bypass
(2) endarterectomy |
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what are the two endoluminal surgical procedures used to treat vascular disease?
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(1) angioplasty
(2) stenting |
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what are two bypass options for increasing inflow?
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(1) blood flow to legs provided by axillary artery
(2) bifemoral bypass graft |
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what is a possible option for improving outflow and runoff?
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venous bypass graft (connect harvested vein to arterial tree)
|
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this disease is defined as a 50% or greater increase in the diameter of the aorta
|
abdominal aortic aneurysm
|
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what is the most common location for an abdominal aortic aneurysm?
|
infrarenal
|
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are false or true abdominal aortic aneurysms more frequent?
|
true
|
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what is the ratio of incidence of abdominal aortic aneurysm in males and females?
|
4:1 males to females
|
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what is the average growth rate of abdominal aortic aneurysms that are less than 5 cm?
|
.2-.4 cm /year
|
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the risk for rupture of an abdominal aortic aneurysm increases exponentially above what size?
|
5.5 cm
|
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what is the principal problem in an abdominal aortic aneurysm?
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medial layer (elastic media) of the vessel falls apart
|
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what is the classic triad of symptoms for a rupture of an abdominal aortic aneurysm?
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(1) abdominal/ back pain
(2) hypotension (3) pulsatile mass |
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this type of repair of an AAA uses a balloon to place stents in an aortic graft
|
endovascular repair
|
|
which is the most common type of throacoabdominal aneurysm?
|
Type II
|
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this is a tear into the aortic wall from blood pressure, leaving a weakened wall, and can potentially develop into an aneurysm
|
aortic dissection
|
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this type of aortic dissection is very fatal and needs to be fixed rapidly because it will disrupt the coronary arteries
|
Type A
|
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this type of aortic dissection is uncomplicated, and there is no operation needed
|
type B
|
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what artery in the LE is completely aneurysm-resistant?
|
external iliac artery
|
|
what type of veins would have the most pressure with venous insufficiency?
|
perforating veins
|
|
what are two consequences of venous insufficiency?
|
(1) engorged superficial veins (telangectasias (spider veins) and varicose veins)
(2) chronic venous hypertension (pain, hyperpigmentation, ulceration) |
|
what are three signs of chronic venous hypertension?
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(1) pain
(2) hyperpigmentation (3) ulceration |
|
what is the most common thoracic outlet syndrome?
|
neurogenic
|
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what is the least common thoracic outlet syndrome?
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arterial
|
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this syndrome is a compression of neurovascular structures in the thoracic outlet, causing signs and symptoms in the associated arm; majority are due to nerve compression, with relatively infrequent venous or arterial causes
|
thoracic outlet syndrome
|
|
what are seven symptoms of arterial thoracic outlet syndrome?
|
(1) diminished pulses
(2) subclavian bruit (3) pale/cool extremity (4) fatigues rapidly with exercise (5) pulsatile mass (6) blue digit syndrome (7) Raynaud's syndrome |
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what are five symptoms of venous thoracic outlet syndrome?
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(1) swelling
(2) tenderness (3) congestion (4) distended collaterals (5) cyanosis |
|
what are five symptoms of neurogenic thoracic outlet syndrome?
|
(1) intermittent/vague symptoms
(2) progressive pain, paresthesias and weakness in neck, shoulder, an dhand (3) headachers (4) exacerbation by posture/activities (5) muscle atrophy at end stage |
|
what are the four surgical interventions for thoracic outlet syndrome?
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(1) anterior and middle scalenectomy
(2) brachial plexus neurolysis (3) first rib resection (4) vascular reconstruction |
|
what part of the kidney prepares an ultrafiltrate of plasma with charge and size selectivity?
|
glomeruli
|
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what part of the kidney adjusts the ultrafiltrate to maintain volume and electrolyt ehomeostasis, and also provides various metabolic functions (secretes erythropoeitin, vitamin D metabolism, drug metabolism and excretion)
|
renal tubules
|
|
what "type" of disease is renal failure?
|
systemic
|
|
this is a clinical syndrome of rapid decline in renal function over hours to several weeks; usually an ischemic problem that is reversible over days to weeks
|
acute renal failure
|
|
this type of renal failure is a clinical syndrome of gradual decline of renal function over months to year; usually a fibrotic scarring process that is irreversible
|
chronic renal failure
|
|
in acute renal failure, is the urine output normal or decreased?
|
decreased or absent
|
|
what are some common causes of acute renal failure?
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ischemia (low BP), drugs, toxins
|
|
what are some common causes of chronic renal failure?
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diabetes, hypertension, autoimmune diseases, inherited diseases
|
|
in chronic renal failure, is the urine output normal or decreased?
|
normal
|
|
what is the overall mortality rate of acute renal failure?
|
50%
|
|
in acute renal failure, what is most likely the cause of death?
|
most frequently due to the underlying disorder, but kidney failure impacts this mortality
|
|
about how much of the plasma ultrafiltrate in the renal tubules becomes reabsorbed?
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99%
|
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about how much of the plasma ultrafiltrate in the renal tubules becomes excreted in the urine?
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1%
|
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this is a concept of how much blood would be purified by the kidney over a period of time; value is standardized to body surface area to correct for different body composition
|
glomerular filtration rate (GRF)
|
|
what is the normal glomerular filtration rate?
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80-120 mL/min/1.73 m3
|
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what is the most common compound used to estimate glomerular filtration rate?
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creatinine
|
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in this phase of chronic kidney disease, a person has kidney damage with normal GFR (>/= 90)
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stage 1
|
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in this phase of chronic kidney disease, a perosn has a mild decrease in GFR (60-89)
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stage 2
|
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in this phase of chronic kidney disease, a person has a moderate drop in GFR (30-59)
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stage 3
|
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in this phase of chronic kidney disease, a person has a severe drop in GFR (15-29)
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stage 4
|
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in this phase of chronic kidney disease, a person has kidney failure and the GFR is <15
|
stage 5
|
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diabetic nephropathy occurs in __% of both type I and type II diabetics
|
30%
|
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what are the three functional changes in someone with diabetic nephropathy?
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(1) increase in GFR
(2) reverse albuminuria (3) increase in kidney size |
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what are the four predictors of diabetic nephropathy?
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(1) hyperfiltration
(2) microalbuminuria (3) rising blood pressure (4) poor glycemic control |
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what are the two structural changes that occur to the kidney in diabetes?
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(1) increase in glomerular basement membrane thickening
(2) mesangial expansion |
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this disease of the kidney is an inflammation of the structures (capillary endothelial cell, glomerular epithelial cell, mesangium, and basement membrane) in the glomeruli of the kidney
|
glomerulonephritis
|
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what are two secondary causes of glomerulonephritis?
|
lupus and hepatitis C
|
|
this kidney disease is caused by a mutation in either the polycystin 1 or polycystin 2 gene; renal failure occurs in the 4th-5th decade; is the second most common kidney mutation
|
autosomal dominant polycystic kidney disease
|
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this kidney disease is a genetic disorder in type four collagen found in the ear, eye, and kidney
|
X-linked hereditary nephritis (Alport's syndrome)
|
|
this is the incompetence of urethral valves leading to backflow from the bladder to the kidney; there is pressure damage, recurrent infections causing scarring
|
reflux nephropathy
|
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what are the five common electrolyte disturbances in chronic kidney disease?
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(1) potassium
(2) calcium (3) phosphorus (4) sodium (5) magnesium |
|
what disease can cause chronic kidney disease by increasing parathyroid hormone, increasing phosphate, and decreasing calcium?
|
secondary hyperparathyroidism
|
|
if parathyroid hormone is too low in patients with kidney disease, what will they develop?
|
adynamic bone disease (osteoporosis)
|
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there is a high incidence of deficiency and insufficiency of what mineral in patients with hyperparathyroidism and resulting kidney disease?
|
vitamin D
|
|
what vascular problem develops with renal failure?
|
anemia
|
|
people born with less nephrons are more likely to have what disease?
|
hypertension
|
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what metabolic problem often accompanies uremia (chronic kidney failure) because of the inability of the damaged kidney to augment renal ammoniagenesis?
|
metabolic acidosis
|
|
what are the adverse effects of metabolic acidosis on muscle?
|
increases proteolysis, and increased cortisol, causing a decrease in lean body mass
|
|
what are the adverse effects of metabolic acidosis on bone?
|
decreased osteoblast activity, increased osteoclast activity (causes dissolution of bony matrix, physiochemical dissolution of bone mineral)
|
|
what are the adverse effects of metabolic acidosis on the endocrine system?
|
increase in PTH
decrease in Vitamin D increase in cortisol decrease in thyroxine decrease in growth hormone and receptor increase in insulin resistance |
|
what is the most common vascular access for hemodialysis of the kidneys?
|
native arteriovenous fistula
|
|
what is another way to get vascular access for hemodialysis of the kidneys, instead of naturally?
|
polytetrafluroethylene graft (AV graft)
|
|
this structure for hemodialysis forms a subcutaneous tunnel to the internal jugular vein and right atrium with a cuff; if rarely lasts greater than 1 year, has a low flow, and has a greater infection rate
|
hemodialysis venous catheter
|
|
the complications of dialysis are replaced by the complications of __ after kidney transplantation
|
immunosuppression
|
|
what is the current average transplant function for a cadaveric kidney?
|
8-10 years
|
|
what is the current transplant function for a living kidney?
|
12-15 years
|
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what are six things taken into account when assessing a patient with kidney failure?
|
(1) type of kidney disease and previous treatment
(2) current level of kidney function (3) type of dialysis, length, access, and problems (4) complications of kidney failure (5) medications (6) lab values |
|
what is the pathophysiology of deconditioning in renal failure?
|
uremic myopathy
|
|
what are six cellular mechanisms of muscle dysfunction in uremia?
|
(1) decreased muscle protein synthesis and/or amino acid derangements
(2) impaired calcium flux by the sarcoplasmic reticulum (3) skeletal muscle insulin resistance (4) reduced intracellular inorganic phosphate (5) reduced actomyosin ATPase (6) numerous abnormal hormone responses |
|
what type of muscle fibers are slow twitch and are involved in tonic contracture and maintenance of posture?
|
type I
|
|
what type of muscle fibers are fast twitch and are involved in basic movement?
|
type II
|
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what are six possible treatments of uremic myopathy?
|
(1) androgen
(2) L-carnitine (3) growth hormone (4) vitamin D insufficiency (5) exercise (6) more dialysis |
|
this type of therapy in kidney patients improved their walking time, stair climbing, and lean body mass without significant changes in peak oxygen consumption or grip strength
|
androgens
|
|
this type of treatment in kidney disease acts as a shuttle across the mitochondria for fatty acid oxidation
|
L-carnitine
|
|
improving physical function in chronic kidney disease requires complete care in the form of what six things?
|
(1) adequate dialysis
(2) adequate nutrition (3) diabetic care (eyes, feet, heart, joints, etc) (4) tobacco cessation (5) hypertension control (6) compliance (phosphorus, interdialytic weight gain) |
|
the function of this structure is to convert cholesterol into steriod hormones
|
adrenal cortex
|
|
what are the three classes of adrenocortical hormones?
|
(1) glucocorticoids
(2) mineralocorticoids (3) androgen precursors |
|
what are the six effects of glucocorticoids?
|
(1) maintain homeostasis
(2) increase gluconeogenesis (3) insulin resistance (4) increase protein catabolism (5) suppress inflammation and immune responses (6) maintain vascular response to catecholamines |
|
levels of this hormone cycle with the circadian rhythm; they are low at night, then begin secreting at 4:00 am and give a big secretion first thing in the morning to "rev" you up
|
cortisol
|
|
what are the five effects of mineralocorticoids?
|
(1) control salt and water balance at kidney
(2) stimulate distal renal tubules to reabsorb sodium from tubular fluid (3) excrete more potassium and hydrogen ions (4) increase open sodium and potassium channels in luminal membrane of tubular cells (5) increase synthesis of basolateral membrane Na/K ATPase |
|
what structure in the kidney senses blood pressure, and if it is low, it begins the renin-angiotensin-aldosterone axis?
|
juxtaglomerular apparatus
|
|
what is the chain of events that occurs in the kidney/adrenal cortex if the juxtaglomerular apparatus senses a low blood pressure?
|
renin-->angiotensin II-->adrenal cortex-->aldosterone-->kidney-->increase sodium-->increase BP
|
|
what are the three causes of glucocorticoid excess?
|
(1) iatrogenic (steroid use long term)
(2) ACTH excess (pituitary tumor producing it, or ectopic secretion) (3) adrenocortical tumor making cortisol without regulation |
|
what are the two major causes of ACTH dependent Cushing's syndrome?
|
pituitary adenoma
ectopic ACTH syndrome |
|
this syndrome is when there is too much glucocorticoid
|
Cushing's syndrome
|
|
what are the two major causes of ACTH independent Cushing's syndrome?
|
adrenal adenoma
adrenal carcinoma |
|
a tumor in this gland will cause too much ACTH secretion, which shuts down the gland and ACTH will not stop being secreted
|
pituitary adenoma
|
|
what are seven effects that a cortisol excess has on the body?
|
(1) increased appetite
(2) depression/psychiatric disorders (3) hypertension (4) muscle weakness/atrophy proximally (5) easy bruishing, striae (6) osteoporosis (interferes with Ca absorption) (7) hyperglycemia |
|
what are 7 more specific findings in Cushing's syndrome (excess cortisol/glucocortisoid)?
|
(1) thin skin
(2) easy bruising (3) red striae (4) facial plethora (red and puffy) (5) muscle weakness (6) osteoporosis (7) growth failure (childhood cushing's) |
|
what are the two common screening tests for Cushing's syndrome?
|
(1) overnight dexamethosone suppression test
(2) 24 hour urine cortisol |
|
what are the two standard tests for differential diagnosis of Cushing's syndrome?
|
(1) high dose dexamethosone suppression test
(2) plasma ACTH test |
|
what hormone increases with increased ACTH production and changes skin color to darker?
|
melanocyte stimulating hormone
|
|
this syndrome occurs in a patient in which you remove both adrenal glands from having a pituitary tumor producing ACTH, and their skin becomes increasingly pigmented
|
Nelson's syndrome
|
|
what are the two common causes of glucocorticoid deficiency?
|
(1) primary adrenal failure
(2) ACTH deficiency (secondary adrenal failure) |
|
what are the levels of cortisol, aldosterone, and ACTH in primary adrenal failure?
|
cortisol and aldosterone both deficient, ACTH levels high
|
|
what are the levels of cortisol, aldosterone and ACTH in ACTH deficiency (secondary renal failure)?
|
cortisol and ACTH deficient, aldosterone NOT deficient
|
|
this type of renal failure occurs when the adrenal gland is not functioning correctly (problem of adrenal gland)
|
primary
|
|
this type of renal failure occurs when there is not enough cortisol to stimulate the pituitary gland, so it atrophies (problem of pituitary gland/hypothalamus)
|
secondary
|
|
what are five clinical findings in primary and secondary renal failure (cortisol deficiency)?
|
(1) weakness, fatigue, decreased BP
(2) anorexia, nausea, weight loss (3) hyponatremia (4) hypotension (5) shock and death |
|
what are the two clinical findings that are in primary renal failure ONLY?
|
(1) hyperkalemia, dehydration
(2) hyperpigmentation |
|
what are two diagnostic tests for adrenal failure?
|
(1) cortrosyn (synthetic ACTH) stimulation test
(2) insulin induced hypoglycemia (to stress the hypothalamus) |
|
what are the two treatments for primary adrenal insufficiency?
|
(1) glucocorticoid replacement (prednisone)
(2) mineralocorticoid replacement (fludrocortisone) |
|
what is the primary treatment for secondary adrenal insufficiency?
|
glucocorticoid replacement
|
|
what are the two symptoms in excess mineralocorticoids?
|
(1) hypertension (increase in sodium)
(2) hypokalemic alkalosis (low blood potassium, high blood pH) |
|
what are the three symptoms in deficiency of mineralocorticoids?
|
(1) volume depletion
(2) hypotension (3) hyperkalemic acidosis |
|
what is the primary cause primary aldosteronism?
|
aldosterone producing adenoma
|
|
this type of hyperaldosteronism is when there is a tumor that is making excess aldosterone; it causes increased retention and therefore increased blood pressure in the kidney and ECF expansion
|
primary
|
|
this type of hyperaldosteronism occurs when there is decreased perfusion to the kidney, so renin is released, which makes angiotensin II which stimulates the adrenal gland to make aldosterone and the cycle continues
|
secondary
|
|
what is the screening test used for primary hyperaldosteronism?
|
plasma potassium while not treated with diuretics
|
|
whatare the two definitive tests to diagnose primary hyperaldosteronism?
|
(1) plasma aldosterone/plasma renin activity ratio
(2) aldosterone supression (large dose of Na and H2O) |
|
adrenal androgens are the precursors for what molecules?
|
major androgens: testosterone, DHT
|
|
what are the two weak androgens?
|
androstenedione and DHEA
|
|
what are two things caused by excess adrenal androgens?
|
(1) premature puberty
(2) hirsutism (in adult women) |
|
what are two things caused by deficiency in adrenal androgens?
|
(1 ) no effect in men
(2) decreased axillary and pubic hair in women with decreased ovarian androgens (classic sign in Sheehan's syndrome) |
|
this is a family of disorders produced by enzymatic deficiencies of adrenal steroidogenesis and are transmitted as autosomal recessive traits
|
congenital adrenal hyperplasia
|
|
the oversecretion of steroid precursors of cortial synthesis leads to what two abnormalities in congenital adrenal hyperplasia?
|
(1) excessive synthesis of the steroid precursors proximal to the enzyme defect
(2) accumulation of the products of those adrenal hormones whose synthesis is unimpaired by the enzyme deficiency |
|
in this disease, androgen excess leads to ambiguous genitalia in females and precocious sexual development in males; accelerated growth in both sexes, advancement of bone age, and early closure of epiphyses and ultimate short stature
|
21 hydroxylase deficiency
|
|
thi sis a block leading to androgen excess and accumulation of 11-deoxycortisone; ambiguous genitalie in females, sodium retention and hypertension
|
11 beta hydroxylase deficiency
|
|
what are the six risk factors for osteoarthritis?
|
(1) AGE
(2) obesity (3) bending occupations (4) female sex (5) heredity (6) joint trauma |
|
what are the eight joints of the body that have primary osteoarthritis?
|
(1) lower cervical spine
(2) AC joint (3) first CMC joint (4) PIP and DIP joints (5) lower lumbar spine (6) hip (7) knee (8) first MTP joint |
|
what are the six signs and symptoms of osteoarthritis?
|
(1) pain with joint use, relieved with rest
(2) reduced joint ROM (3) mild morning stiffness (4) bony swelling (5) little if any joint effusion (6) joint crepitation |
|
this analgesic for osteoarthritis is centrally acting (binds to opioid receptors, inhibits serotonin and norepi reuptake), may be added to nsaids, but may cause dizziness, seizures, and nausea
|
tramadol
|
|
what are four types of opioid analgesics?
|
(1) codeine
(2) hydrocodone (3) oxycodone (oxycontin) (4) fentanyl (duragesic patch) |
|
what are three possible side effects of taking opioids for analgesics?
|
(1) dizziness
(2) sedation (3) constipation |
|
this drug is approved for osteoarthritis of the knees and is administered in three weekly injections; relief comparable to naproxen, and benefit may last 6-9 months
|
intraarticular hyaluronans
|
|
what is the water content of normal cartilage?
|
65-80%
|
|
what is the calcium salt content of normal cartilage?
|
5%
|
|
what two proteins make up the rest of normal cartilage (besides water and calcium salt)?
|
proteoglycans and type II collagen
|
|
this type of material dissipiates force by compressibility and elasticity (tissue deforms gradually and reversibly); protects underlying bone from friction
|
normal cartilage
|
|
this is the predominant proteoglycan of cartilage (90%); is hydrophylic and allows it to undergo deformation
|
aggrecan
|
|
this is a compound in cartilage that is extraellular, linear, and unsulfated; binds aggrecan via a link protein, resulting in aggregation
|
hyaluronan
|
|
both of these substances are deficient and damaged in osteoarthritis
|
aggrecan and hyaluronan
|
|
it was shown in a study that joint space narrowing in osteoarthritis progressed more slowly when treated with what compound?
|
glucosamine
|
|
this is a progressive, systemic, inflammatory disorder with an unknown etiology characterized by symmetric synovitis, joint erosions, and multisystem extraarticular manifestations
|
rheumatoid arthritis
|
|
what are the three things that characterize rheumatoid arthritis?
|
(1) symmetric synovitis
(2) joint erosions (3) multisystem extra-articular manifestations |
|
what is the target population for the ACR classification criteria for rheumatoid arthritis in 2010?
|
patients who have at least 1 joint synovitis, and with synovitis not explained by another disease
|
|
a score of > or = __ out of 10 is needed for classification of a patient to have definite rheumatoid arthritis on the ACR classification test
|
6
|
|
definite rheumatoid arthritis is based on what two things?
|
(1) confirmed presence of synovitis of at least one joint
(2) absence of alternative diagnosis that better explains that synovitis |
|
an achievement of a total score of >/= 6/10 on the ACR classification criteria for rheumatoid arthritis is based on what four things?
|
(1) number and site of involved joints (0-5)
(2) serologic abnormality (0-3) (3) elevated acute phase response (0-1) (4) symptom duration (0-1) |
|
rheumatoid arthritis affects --% of the U.S. population
|
1%
|
|
what is the ratio of women to men that get rheumatoid arthritis?
|
3:1
|
|
what are 6 risk factors for a poor outcome for someone that has rheumatoid arthritis?
|
(1) high titer rheumatoid factor
(2) nodules (3) early erosions (4) low education level (5) low SES (6) low functional status |
|
what are the five common drugs used in rheumatoid arthritis?
|
(1) methotrexate
(2) sulfasalazine (3) hydroxychloroquine (4) leflunomide (5) TNF blockers |
|
what are five reasons for intervening early with treatment for rheumatoid arthritis?
|
(1) radiologic erosions develop in first few years of disease
(2) number of joints involved is maximal in early disease (3) inflammation is greatest at disease onset (4) once functional deterioration has occurred, very difficult to reverse (5) waiting until NSAIDs prove ineffective delays inflammation suppression |
|
what are three TNF blocking agents?
|
(1) Enbrel
(2) remicade (3) humira |
|
what are five of the differences of juvenile chronic polyarthritis from rheumatoid arthritis?
|
(1) occurs before the age of 16
(2) large joints>small joints (3) less pain in the joints (4) nodules and rheumatoid factor uncommon (5) nonarticular symptoms (failure to grow, low grade fever, regression to infantile behavior) |
|
what is the ratio of female to male in juvenile chronic polyarthritis?
|
2:1
|
|
juvenile rheumatoid arthritis usually occurs in what age range?
|
1-3 years
|
|
__% of children with juvenile rheumatoid arthritis are positive for antinuclear antibody (ANA)
|
40%
|
|
__% of children with juvenile rheumatoid arthritis are positive for rheumatoid factor
|
25%
|
|
what are the four differences in children who have rheumatoid factor in juvenile rheumatoid arthritis as compared with children who do not?
|
(1) later onset
(2) polyarthritis (3) radiographic damage (4) persistence into adulthood |
|
about __% of children with juvenile rheumatoid arthritis exhibit an oligoarticular pattern, with just knees and ankles affected
|
60%
|
|
this is a severe complication from juvenile rheumatoid arthritis that causes swelling in the eye that can produce glaucoma and visual loss (usually occurs in young girls with positive ANA)
|
chronic uveitis
|
|
about __% of children with juvenile rheumatoid arthritis exhibit at polyarticular pattern, with especially larger joints involved, and smaller involvement can resemble rheumatoid arthritis
|
30%
|
|
this pattern of juvenile rheumatoid arthritis affects especially large joints, and small joints affected can resemble RA; usually symmetric, low grade fever, and may persist into adulthood, especially with a positive RA factor
|
polyarticular
|
|
this pattern of jeuvenile rheumatoid arthritis is with a high spiking daily fever, anemia, rash, enlarged liver,, spleen, lymph nodes, joint involvement variable, pericarditis, and persistent severe arthritis developed in about half
|
systemic pattern
|
|
about __% of children with juvenile RA exhibit a systemic pattern
|
10%
|
|
what are the five agents used to treat juvenile RA (that are basically the same as used to treat for adult RA)?
|
(1) NSAIDs
(2) prednisone (3) methotrexate (4) hydrochloroquine (5) TNF blockers |
|
what are five characteristics of back pain in ankylosing spondylitis?
|
(1) onset of back discomfort before age 40
(2) insidious onset (3) duration longer than three months (4) associated with morning stiffness (5) improvement with exercise |
|
this describes the site where ligaments or tendons join bone
|
enthesis
|
|
this is the fundamental bony pathology in the spondylarthropathies seen in arthritis
|
enthesitis
|
|
what are the four common tendons/areas that are affected by enthesitis in spondyloarthropathies?
|
(1) Achilles tendinitis
(2) plantar fascitis (3) bamboo spine (4) sausage digits (dactylitis) |
|
this is the type of arthritis that develops in someone with psoriasis
|
psoriatic arthritis
|
|
psoriasis usually precedes onset of psoriatic arthritis by an average of 10 years in about __% of people
|
70%
|
|
what are five patterns of psoriatic arthritis?
|
(1) asymmetric oliogoarticular
(2) polyarticular small joint (3) spinal involvement (4) DIP predominant (5) arthritis mutilans |
|
this type of arthritis occurs in the smaller joints of the hands and feet, in addition to larget joints; more common in women and may be difficult to clinically differentiate from RA except patients have greater evidence of erosions
|
symmetric
|
|
is spondylitis more common in males or females?
|
males
|
|
this swelling of the tendon sheath around fingers and toes occurs more frequently in psoriatic arthritis
|
dactylitis
|
|
this type of arthritis affects about 5% of PsA cases; describes the end stage condition of the small joints of the hand and feet; there are telescope digits and flail joints associated with extensive osteolysis and joint instability
|
arthritis mutilans
|
|
this type of deformity of the bones of the finger is often found in psoriatic arthritis
|
pencil and cup deformity
|
|
what is the most common drug used to treat psoriatic arthritis?
|
TNF blockers
|
|
what is the compound that is implicated in gout?
|
monosodium urate
|
|
what is the compound that is implicated in pseudogout?
|
calcium pyrophosphate
|
|
what is the compound that is implicated in Milwaukee shoulder?
|
basic calcium phosphate
|
|
what are the four basic clinical manifestations of gout?
|
(1) recurrent attacks of acute arthritis
(2) tophaceous deposits (3) gouty nephropathy (4) kidney stones |
|
what transporter drives the reabsorption of urate from the proximal convoluted tubule?
|
URAT1
|
|
there is about a __% net excretion of filtered urate
|
10%
|
|
__% of hyperuricemia is from overproduction of urate (from ethanol, myeloproliferative diseases, psoriasis, overactive PRPP synthetase, deficiency of HGPRT)
|
10%
|
|
__% of hyperuricemia is from underexcretion of urate (diuretics, low dose aspirin, ethanol, lead, hypothyroidism, dehydration, starvation, ketoacidosis, renal disease)
|
90%
|
|
what are the three stages of acute gouty arthritis?
|
(1) acute gouty arthritis
(2) intercritical gout (3) chronic tophaceous gout |
|
this type of gout is an abrupt onset of severe inflammation (75% in MTP joint, then ankle, foot, and knee); usually monoarticular. There is intense periarticular inflammation that resembles cellulitis, thrombophlebitis
|
acute gouty arthritis
|
|
what are four triggers of acute gouty arthritis?
|
trauma, surgery, medical illness, medications
|
|
how long does it take acute gouty arthritis to resolve?
|
3-10 days
|
|
these are subcutaneous urate masses that take 10-12 years to develop and occur anywhere except the antihelix
|
tophi
|
|
where are tophi most usually found?
|
antihelix of ear
|
|
these structures erode into cartilage and bone and may resemble rheumatoid nodules; risk of development increases with higher serum urate levels
|
tophi
|
|
what are the two diagnostic criteria for chronic tophaceous gout?
|
(1) identification of monosodium urate crystals in synovial fluid
(2) tophaceous erosions on radiographs |
|
what compound is strongly birefringent and needle shaped when shown under polarized light?
|
monosodium urate crystal
|
|
the response of this medicine is specifically for crystalline arthritis; it inhibits the polymerization of microtubules and disrupts chemotaxis and phagocytosis
|
colchicine
|
|
what are three treatments for acute gout?
|
(1) colchicine
(2) NSAIDs (indomethacin) (3) corticosteroids (systemic, articular) |
|
what are three things to avoid with acute gout because they decrease the clearance of uric acid?
|
(1) alcohol
(2) diuretics (3) low dose aspirin |
|
what is the limit of solubility of urate in serum?
|
6.8 mg/dL
|
|
this compound crystallizes as a monosodium salt in oversaturated joint tissues
|
urate
|
|
what are two urate-lowering medications that aim to reduce the serum urate level to below the limit of solubility (around 5 mg/dL)
|
(1) uricosurics
(2) allopurinol |
|
these are weak organic acids which inhibit renal tubular resorption of urate at post-secretory site
|
uricosurics
|
|
this treatment for urate lowering is a xanthine oxidase inhibitor (blocks conversion of xanthine to uric acid)
|
allopurinol
|
|
this is the calcification of articular cartilage that is found in calcium pyrophosphate deposition disease (CPPD)
|
chondrocalcinosis
|
|
pseudogout is twice as common in what sex?
|
females
|
|
this disease is caused by the deposition of calcium pyrophosphate crystals in articular cartilage and fibrocartilage
|
pseudogout
|
|
what are two things that are used to diagnose pseudogout?
|
(1) radiographic chondrocalcinosis (esp. wrist, knee, pubic symphysis)
(2) calcium pyrophosphate crystals in synovial fluid (rhomboid shape) |
|
acute periarthritis occurs in what four joints?
|
(1) shoulder
(2) trochanter of hip (3) epicondyle of elbow (4) wrist |
|
what is a common sign seen in Milwaukee shoulder, which most commonly affects women greater than 70 years of age?
|
shoulder pad sign
|
|
acute periarthritis and Milwaukee shoulder, as well as acute arthritis are all caused by what compound?
|
basic calcium phosphate
|
|
what are four systemic connective tissue diseases?
|
(1) inflammatory myopathies
(2) systemic lupus erythematosus (3) sjogren's syndrome (4) scleroderma |
|
what are five clinical features of inflammatory myopathy?
|
(1) symmetric proximal muscle weakness
(2) elevated muscle enzymes (CPK) (3) myopathic EMG abnormalities (4) typical changes on muscle biopsy (5) typical rash of dermatomyositis |
|
what is the muscle enzyme that is most often elevated in inflammatory myopathy?
|
CPK (creatine phosphokinase)
|
|
what four EMG abnormalities are seen in inflammatory myopathy?
|
(1) insertional irritability
(2) positive sharp waves (3) small amplitude, polyphasic motor unit potentials ' (4) fibrillation |
|
what are six clinical features of polymyositis?
|
(1) proximal muscle weakness
(2) elevated CPK (3) myopathic EMG findings (4) diagnostic findings on muscle biopsy (5) sometimes arthritis and interstitial lung disease (6) no characteristic skin findings |
|
this disease is polymyositis plus a characteristic skin involvement
|
dermatomyositis
|
|
this type of dermatomyositis involves the skin only, not the muscles
|
amyopathic
|
|
this disease is characterized by slow, progressive muscle weakness; early involvement of distal muscles that may be asymmetric, myopathic and neuropathic changes on EMB, and responds poorly to conventional treatment
|
inclusion body myositis
|
|
what sex is usually affected more by inclusion body myositis?
|
males
|
|
what are five treatments for inclusion body myositis?
|
(1) high dose prednisone
(2) methotrexate (3) azathioprine (4) IV IG (5) rituximab |
|
what are the 1983 classification criteria for systemic lupus erythematosus?
|
(1) malar rash
(2) discoid rash (3) photosensitivity (4) oral ulcers (5) arthritis (6) serositis (7) disorders of kidneys, neurologic, hematologic, immunologic (8) antinuclear antibody |
|
this type of lupus rash has fixed erythema, flat or raised, and sparing in nasolabial folds
|
malar rash
|
|
this type of lupus rash has raised patches, adherent keratotic scaling, follicular plugging, and older lesions that may cause scarring
|
discoid rash
|
|
what is a common finding in systemic lupus erythematosus that is a possible indication of kidney disease?
|
red blood cell casts
|
|
what are five clinical features of Sjogren's syndrome?
|
(1) Sicca complex (dry eyes and mouth)
(2) rheumatoid arthritis or other CTD (3) salivary gland enlargement (4) purpura (5) renal tubular acidosis or other tubular disorder |
|
what are four things that are used to diagnose Sjogren's syndrome?
|
(1) xeropthalmia
(2) xerostomia (3) anti-Ro (SSA) (4) lip biopsy of minor salivary gland |
|
this test measures tear formation in order to diagnose Sjogren's syndrome
|
Schirmer's test
|
|
what are three treatments for Sjogren's syndrome?
|
(1) hydroxychloroquine
(2) prednisone (3) immunosuppressive agents |
|
this is hard skin in fingers that causes fingers to become contracted
|
sclerodactyly
|
|
this lung disease is the #1 cause of death in sclerederma patients; increased resistance
|
basilar pulmonary fibrosis
|
|
a condition in which cold temperatures or strong emotions cause blood vessel spasms that block blood flow to the fingers, toes, ears, and nose.
|
Raynaud's phenomenon
|
|
what is the common treatment for sclerederma?
|
treatment is symptomatic, not for the actual disease (treat HTN, reflux, raynaud's and lung disease)
|
|
this comprises a variety of systemic illnesses which are characterized by inflammation of blood vessels; clinical manifestations are determined by the size of the blood vessels and the tissues they supply; involvement of skin, muscle, nerve, kidney, lungs, etc
|
vasculitis
|
|
this vasculitis onsets at less than 20 yoa; characterized by bowel angina, granulocytes in walls of arterioles or venules, and it takes a benign course and is self-limited
|
Henoch-Schonlein purpura
|
|
this vasculitis presents with a weight loss of greater than 4 kg, testicular pain or tenderness, myalgias, weakness, or leg tenderness, and mononeuropathy or polyneuropathy
|
Polyarteritis nodosa
|
|
this type of vasculitis causes death of the bowel and loss of blood vessels in the wall
|
necrotizing vasculitis
|
|
what nerve is most commonly affected in vasculitis?
|
radial nerve
|
|
this disease is characterized by nasal or oral inflammation (oral ulcers, bloody nasal drainage), abnormal chest radiograph, nodules, urinary sediment, and granulomatous inflammation on biopsy in wall; characterized by saddle nose deformity
|
Wegener's granulomatosis
|
|
what are five common signs of relapsing polychondritis?
|
(1) saddle nose deformity
(2) ear, nose inflammation (3) scleral thinning (4) saccular aneurysm, aorta (5) tracheal narrowing |
|
what are 8 signs of cryoglobulinemia (a disease caused when proteins precipitate when they get too cold)
|
(1) Raynaud's
(2) cutaneous ulceration (3) cold-induced urticaria (4) digital gangrene (5) polyarthralgia (6) purpura (7) nephritis (8) peripheral neuropathy |
|
this disease onsets at age less than 40; there is claudication of the extremities, decreased brachial artery pulse, BP difference of greater than 10 mm Hg between arms, bruit over subclavian arteries or aorta, and arteriogram abnormality
|
Takayasu's arteritis
|
|
this is a diagnosis of systemic vasculitis established by a tissue biopsy; it has serious ischemic complications, including blindness
|
giant cell arteritis
|
|
this disease is characterized by muscle pain persisting for at least 1 month in the shoulders and pelvic girdle, severe morning stiffness and gelling, and no muscle atrophy or true weakness
|
polymyalgia rheumatica
|
|
what are two ways to diagnose polymalgia rheumatica?
|
(1) erythrocyte sedimentation
(2) rapid relief with small doses of glucocorticoids |
|
this disease is characterized by onset of greater than 50 years of age; new headache, temporal artery abnormality (tender or decreased pulse), elevated ESR, and abnormal artery biopsy
|
giant cell (temporal) arteritis
|
|
this type of vasculitis occurs with a stroke at a young age, and starting to have seizures at age 60
|
isolated CNS vasculitis
|
|
this is a common chronic widespread pain condition; often have heightened sensitivity to pain, in addition, nonnoxious stimuli may result in pain; patients my present with a wide range of additional symptoms including tenderness, sleep disturbances, fatiue, morning stifffness, and mood disorders
|
fibromyalgia
|
|
the american college of rheumatology definition of this disease is widespread pain for more than three months, on both sides of the body, above and below the waist, and axial skeleton;
|
fibromyalgia
|
|
what are the three central pain mechanisms in fibromyalgia?
|
(1) CNS mechanisms (central sensitization)
(2) increased levels of excitatory neurotransmitters (glutamate) (3) compared with normal controls, CSF levels of substance P are high |
|
this is a term that encompasses a group of chronic and slowly progressive respiratory conditions characterized by dyspnea and reduced airflow that is not fully reversible
|
chronic obstructive pulmonary disease
|
|
this is an anatomical term for permanent and destructive enlargement of the airspaces
|
emphysema
|
|
this disease is characterized by "pink puffers"-very thin/cachectic, barrel chested, pursed lipped breathing, less chronic cough and sputum production, less notable changes in ABGs
|
emphysema
|
|
this is a clinical term describing chronic cough and sputum production (at least 3 months/year for two consecutive years)
|
chrhonic bronchitis
|
|
this disease is characterized by blue bloaters-obese, more cough and sputum, more likely to have hypoxia, more abnormal lumg soungs, and may have right heart failure
|
chronic bronchitis (classic COPD)
|
|
this disease is characterized by chronic inflammation throughout the airways, lumg parenchyma, and pulmonary vasculature, with an increase in T cells, macrophages, and neutrophils which release chemical factors that cause lung injury and sustain inflammatory response
|
COPD
|
|
in COPD, what substances are found imbalanced?
|
imbalance of oxidants and antioxidants (oxidative stress)
imbalance of proteases and antiproteases |
|
these enzymes, such as elastase, are capable of injuring the lung tissue
|
proteases
|
|
what airways are the major site of inflammation and airflow limitation in COPD?
|
small airways
|
|
what are four risk factors for developing COPD?
|
(1) smoking
(2) air pollution (3) occupational exposures (4) infection |
|
in COPD, do the lungs underinflate or hyperinflate?
|
hyperinflate
|
|
what results from a destruction of lung tissue causing a mismatch of inspired gas and blood flow in patients with COPD?
|
impaired gas exchange (V/Q mismatch)
|
|
what does COPD generaly begin with in the 5th decade of life?
|
chronic, productive cough
|
|
what are some clinical features/physcial findings of COPD?
|
(1) prolong expiratory time
(2) wheezing (3) barrel chest (4) distant breath sounds and heart sounds (5) coarse inspiratory crackles and rhonchi (6) pursed lip breathing (7) wasting (8) cyanosis |
|
what is the characteristic finding of a COPD patient's spirometry?
|
a decrease in FEV1/FVC ratio
|
|
these are infrequent and mild early in the course of CPD but become more severe and frequent as the disease progresses; impairment of gas exchange and dyspnea progress with time
|
acute exacerbations of COPD
|
|
what are the major reason for hospitalization in patients with COPD and is characterized by increased cough, increased volume/change in sputum, and increased dyspnea
|
acute exacerbations of COPD
|
|
what are five treatments for COPD?
|
(1) smoking cessation
(2) bronchodilators (3) steroids (4) oxygen (5) pulmonary rehabilitation |
|
this treatment stimulates beta two receptors in the lungs, causing bronchodilation
|
bronchodilators (beta two agonists)
|
|
these agents reduce the airway inflammation that is present in COPD
|
steroids
|
|
what is the only therapy shown to prolong life in COPD patients?
|
supplemental oxygen
|
|
what is the saturation level for oxygen that is the goal for COPD patients?
|
90-92%
|
|
patients with COPD are at a risk for what associated heart disease?
|
cdoronary artery disease
|
|
this is a chronic inflammatory disease of the airways that is characterized by increased responsiveness of the bronchial tree; is manifested by widespead episodic narrowing of the airways, and are interspersed with symptom free periods
|
asthma
|
|
what is the main feature of asthma?
|
hyperresponsiveness of the airways
|
|
asthma is thought to be cuased by __ __ __ of the airways
|
chronic subacute inflammation
|
|
what four cells infiltrate the mucosa of the airways in asthma?
|
mast cells, eosinophils, neitrphils, and lymphocytes
|
|
characteristic emphysematous changes are conpspicuously lacking in what airway disorder?
|
asthma
|
|
what are seven things that can increase airways responsiveness in asthma?
|
(1) allergens
(2) drugs (aspirin) (3) environment and air pollution (4) occupational exposures (5) infections (6) exercise (7) emotional stress |
|
what is the main pathophysioligic factor of asthma that leasd to increased airway resistance, reduced airlfow, air trapping, hyperinflation, etc.?
|
airway narrowing
|
|
what are the four classic symptoms of asthma?
|
(1) dyspnea
(2) chest tightness (3) nonproductive cough (4) wheezing |
|
what are six treatments for asthma?
|
(1) elimination of causative agents
(2) immunotherapy (allergy shots) (3) bronchodilators (4) steroids (5) mast-cell stabilizing agents (6) leukotriene modifiers |
|
what are the most important aspect of drug therapy for patients with mild persistent asthma and moderate or severe asthma?
|
inhaled steroids
|
|
this is an infection of the pulmonary parenchyma caused by various microorganisms, including viruses, bacteria, and mycobacteria, fungi, and parasites
|
pneumonia
|