Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
117 Cards in this Set
- Front
- Back
1. What drugs cannot be used in Sulfa allergic pts
2. Which loop diuretics can be taken in Sulfa allergic pts? |
1. Diuretics.
2. Ethacrynic acid |
|
1. Pt has increased intracranial pressure. Which diuretic should be given?
2. What Rx can be given for Acute Glaucoma
3. What is the SE of mannitol |
1. Mannitol
2. Mannitol, Acetazolamide
3. Dilutional hyponatremia ---> hypernatremia w/ continued use Pulmonary edema, Hyperosmolarity |
|
1. What are the SE of loops? 2. Nephrogenic DI, which diuretic should be given? 3. Which diuretics cause hypercalcemia |
1. Ototoxicity, hypocalcemia 2. Thiazides 3. Thiazides |
|
Which thiazide is used for cirrhosis? |
metalazone |
|
1. What abx are given for Pyelonephritis?
2. Tx for pyelonephritis in Pregnany pts? |
1. Fluoroquinilones Aminoglycosides 3rd Gen Cephalasporins (e.g. Ceftriaxone)
2. Ceftriaxone or Amp/Gent |
|
1. UTIs are risk factor for _____ renal stones. 2. Hyperparathyroidism is a risk factor for _____ renal stone. 3. Which type makes staghorn calculi? 4. How do you treat uric acid stones |
1. Struvite ---> Staghorn calculi
2. Calcium PO4 : PTH is PO4 trashing hormone
3. Struvite (more common), Cystine
4. By alkalizing urine |
|
What are the tumors that can increase EPO? |
1. Renal cell carcinoma 2. Hepatocellular carcinoma 3. Pheochromocytoma 4. Hemangioblastoma |
|
Eosinophilia (in urine), rash, fever, granular or epithilial casts Elevated Creatinine.
a) Dx=? b) Tx=? |
1. Acute interstitial nephritis/ Interstitial Nephropathy
2. Stop offending agent. Steroids |
|
Brown urine, High ASO titer, hypercellular glomeruli, a) Dx |
Post infectious glomerularnephritis |
|
Hematuria, flank pain, fever, Increased serum IgA. a) Dx b) Tx |
a) IgA nephropathy (Berger's disease)
b) ACEI, statins for persistent proteinuria
|
|
Linear deposition of igG ab deposition |
Goodpasture's - only one that is linear
Tx: Plasmapheresis and Corticosteroids |
|
Cant see, cant pee, cant hear/ (Cataracts, Nephritis, hearing loss) |
Alport syndrome - defect in collagen IV in basement membrane |
|
Proteinuria > 3g/day, hypoalbuminemia, hyperlipidemia. Dx=? |
Nephrotic syndrome |
|
Most common glomerular disease in HIV pts |
Focal segmental glomerulosclerosis |
|
Most common glomerular disease in afr american pts |
Focal segmental glomerulosclerosis |
|
Most common nephrotic syndrome in adults? |
Membranous glomerulonephritis |
|
Membranoproliferative glomerulonephritis is a/w these conditions (4):
What is the histological presentation |
1. Hep B 2. Hep C 3. SLE 4. Subacute bacterial endocarditis
- Basement membrane thickening with double layer "train track" appearance |
|
Kimmelstiel Wilson nodules. Basement membrane thickening on EM |
Diabetic nephropathy
- Kimmelstiel Wilson nodules are on present in the nodular subtype. Diffuse subtype does not have KW nodules |
|
Define azotemia |
Increased BUN and Cr |
|
Granular casts. Dx =? |
ATN (Acute tubular necrosis) |
|
FeNa < 1% signifies? |
Pre-renal |
|
FeNa > 2% suggests? |
Intrinsic/ATN or Post renal cause |
|
BUN: Cr > 20 (or > 15 in some literature) is indicative of ?
|
Pre-renal cause - Low urine Na (<10 meq/L (10 mmol/L)) - Low FeNa < 1% - High urine osmolality ( >500) Products other than Na giving high osmolality - SG > 1.010
|
|
Proteinuria in DM. Whats the next step |
24 hr urine protein level - to check for nephropathy |
|
Whats Uremic syndrome? |
Azotemia + sx of uremia
Sx= AMS, Peripheral neuropathy HTN, Pericarditis Anorexia, n/v, GI Bleeding Brownish coloration of skin |
|
What electrolyte disturbance is seen with Chronic kidney disease? |
Hyperkalemia Hyponatremia Increased PO4 Decreased Ca Anemia --> due to lack of EPO Metabolic acidosis Urine osmolality is similar to serum osmolality |
|
What DM med should not be taken in pts with renal disease
Whats the HbA1c goal in pts with renal disease |
1. Metformin
2. < 6.5 |
|
What are the indications for dialysis in patients with CKD? |
1. Severe hyperkalemia 2. Severe metabolic acidosis 3. Fluid overload 4. Uremic syndrome 5. CKD with Cr > 12 mg/dL and BUN > 100 mg/dL
|
|
In a healthy person: a) pH = b) PCO2 = c) PO2 = d) HCO3 = |
a) 7.4 b) 40 c) 100 d) 24
pH > 7.42 = Alkalosis pH < 7.3 = Acidosis |
|
ACID BASE PHYSIOLOGY
1. Reasons for metabolic alkalosis |
1. vomiting, diuretics, Cushing syndrome, Hyperaldosteronism |
|
1. Reasons for high anion gap metabolic acidosis |
1. Methanol (MUDPILES) 2. Uremia 3. Diabetic ketoacidosis 4. Paraldehyde 5. INH, Iron toxicity 6. Lactic acidosis - a/w shock 7. Ethanol, Ethylene glycol 7. Salicylates |
|
1. Define hypernatremia 2. What are the causes? |
1. > 155
2. dehydration, diuretics Diabetes Insipidus Docs (Iatrogenic w/ NS IVF) Diarrhea (and vomiting) Disease of the kidney (hyperaldosteronism)
|
|
In a dehydrated patient with hypernatremia, how is it corrected (what fluid choice)? |
1. NS: until hemodynamically stable 1/2 NS: afterwards |
|
1. Tx for Central DI? 2. Tx for Nephrogenic DI? |
1. Desmopressin (ADH analogue) 2. Salt restriction Increased H20 thiazide diuretics +/- Indomethicin
|
|
Tx for Li induced DI? |
1. Thiazide 2. Indomethacin 3. Amiloride - effects the same channels as used by Li |
|
1. Definition of Hyponatremia?
2. Define types of hyponatremia and their tx?
|
1. < 135. Tends to become problematic if < 120 2. Mild: asymptomatic. Irrespective of Na level. No tx necessary Moderate: Severe: Sz Tx: 3% hypertonic salien |
|
What is the tx for hyperkalemia (Name the steps) |
1. Check EKG 2. D50 followed by Insulin 3. Ca-gluconate or CaCl to protect myocardium OTHER TX: Kayexalate Lasix, consider Mg if < 2 |
|
T-wave flattening seen in ? |
Hypokalemia
|
|
U-waves seen in |
hypokalemia
|
|
Tall peaked T-waves seen in |
Hyperkalemia |
|
Shortened QT interval |
Hypercalcemia
- Hypocalcemia prolongs QT interval |
|
1. Tx of hepatorenal syndrome 2. What keeps the efferent arterioles open
3. What rx dilates the efferent arterioles 4. At what Cr would you stop ACEI? |
1. Fix the underlying liver condition. BUN:Cr similar to pre-renal causes
2. Prostaglandins
3. ACEI --> good to give in patients with renal issues 4. Never |
|
1. MCC of pseudohyponatremia? 2. How do you tx it? |
1. Elevated serum glucose - For every increase by 100 in glucose there is drop of 1.6 of Na
2. Fixed the elevated glucose |
|
What is the mechanism behind DI a) Neurogenic b) Nephrogenic |
a) Failure to secrete ADH by the post. pituitary
b) No response to ADH by the kidneys |
|
Psychogenic DI Nephrogenic DI a) Na level? b)Urine osm. c)Urine Na d) Nocturia |
Psychogenic DI Nephrogenic DI a) Na level? Low High b)Urine osm. Low Low c)Urine Na Low Low d) Nocturia + ++++
Nocturia goes away in psychogenic |
|
Define SIADH |
Urine osm > Serum osm in the presence of hyponatremia |
|
Tx for cystitis |
3 days of Fluoroquinolones or TMP-SMX - Amoxicillin requires longer tx |
|
UTI in pregnancy. Tx =? |
1. Amoxicillin, Ampicillin, Cefalaxin, Nitrofuratin |
|
1. Most common bladder cancer?
2. Most common cause of squamous cell cancer in the bladder? |
1. Transitional cell carcinoma
2. Schistosoma Hematobium - in the developing world |
|
Treatment of bladder cancer? |
Transurethral cytoscopic resection |
|
Tx of urethritis |
Single dose Erythromycin
or
Single dose ceftriaxone with doxycycline
* Treat sexual partners also |
|
Tx for prostatitis? |
Sx:Perineal pain, dysuria, tender prostate
Sexually active: Ceftriaxone + Doxycycline Otherwise: TMP-SMX
|
|
Most common surgical therapy for BPH? |
TURP: Transuretheral resection of the prostate |
|
Tx of BPH |
Non selective alpha-blockers: -zosins - if patient also has HTN
Selective alpha-1 blockers: Tamsulosin (Flomax) - No anti-HTN effects
5-aplha reductase inhibitors: e.g. Finasteride - reduces dihydrotestosterone levels |
|
Most common cancer in men |
Prostate cancer Frequency: Prostate > Lung > Colorectal
Mortality: Lung > Prostate > Colorectal |
|
1. What are the prostate screening guidelines?
2. Metastasis from prostate cancer is osteo___ |
1. All men > 40 yrs ==> annual DRE Baseline PSA at age 40
2. Osteoblastic |
|
Sudden acute testicular pain, testicle raised and in a horizontal position. Pain not relieved by supporting the testicle.
a) Dx =? b) Tx = ? |
a) Testicular torsion - Often a/w physical activity
b) Tx = Surgical detorsion with bilateral orchiopexy with in 6 hours |
|
1. MC germ cell tumor 2. Germ cell tumor with elevated AFP? |
1. Seminoma 2. Choriocarcinoma |
|
Most common obstructive uretheral lesion in infants and newborn |
Posterior uretheral valves |
|
1. At what age can enuresis be diagnosed?
2. At what age do you give treatment? |
1. 5 years 2. 7 yo - First - Behavior therapy - Enuresis alarm 2nd line - Imipramine |
|
The total urine protein excretion rate is usually less than __ g/24 h |
1 |
|
_______ refers to protein excretion that increases during the day but decreases to a normal value (<50 mg/8 h) during recumbency. |
Orthostatic proteinuria |
|
_____ is the most common form of intrarenal disease that causes acute kidney injury in hospitalized patients and shows ________ casts. |
Acute tubular necrosis (ATN)
Muddy brown casts |
|
_____ is characterized by acute kidney injury, sterile pyuria, and leukocyte casts. |
AIN - Acute interstitial nephritis - Drugs, particularly β-lactam antibiotics, are the most common etiology of AIN. - Patients may also have fever, rash, and eosinophilia, although only a minority of patients will have all three features. |
|
Define Acute Kidney Injury |
- an increase in the serum Cr level of ≥0.3 mg/dL over 48 hours, - an increase in Cr of ≥50%, or - urine output <0.5 mL/kg/h for >6 hours. |
|
Define Chronic kidney disease |
- Chronic kidney disease (CKD) is defined by an estimated GFR <60 mL/min/1.73 m2 OR - kidney damage (abnormal findings on urinalysis, kidney imaging, or kidney biopsy) of at least 3 months' duration. |
|
Define persistent hematuria? |
- presence of >= 3 erythrocytes/hpf in the urine detected on two or more samples |
|
Pt with 20 yr smoking history presents with persistent hematuria. Whats the next step? |
Kidney U/S and Cystoscopy |
|
The triad of muscle pain, weakness, and dark urine. Most likely dx =? |
Rhabdomyloysis - A positive urine dipstick for blood in the absence of erythrocytes also suggests rhabdomyolysis - history of predisposing factors (such as prolonged immobilization or drug toxicity) and confirmed by the presence of myoglobinuria, an increased serum CK level, and, in some cases, hyperkalemia - consider rhabdo when CK > 5000 U/L in pts who demonstrate heme positivity on urine dipstick testing in the absence of hematuria. |
|
AKI, Thrombocytopenia, Microangiopathic hemolytic anemia. Dx=? |
HUS |
|
What are the two MCC of HUS? |
1. Shiga toxin–producingEscherichia coli (E. coli O157:H7 and other serotypes) 2. familial deficiency of factor H - Factor H, a protein in the complement pathway, normally protects cells from damage by the alternative complement pathway. A deficiency of factor H allows C3 to potentiate autoantibody-mediated or immune complex–mediated injury to glomerular cells, leading to exposure of subendothelium and activation of both platelets and coagulation |
|
1. Tumor lysis syndrome may manifest as (3):
2. What's the treatment |
1. hyperkalemia, hyperphosphatemia, and hyperuricemia.
2. Tx = Rasburicase |
|
1. What fluids do you give for pre renal azotemia? |
1. Normal saline |
|
Tx of choice in uremia in stage V kidney disease |
Kidney transplantation - Transplantation in patients who have not yet been treated with hemodialysis is associated with better patient and allograft outcomes. |
|
Diabetic nephropathy is also a/w with ____ |
Diabetic retinopathy - Diabetic nephropathy often is accompanied by diabetic retinopathy, particularly in type 1 diabetes. In patients with type 2 diabetes, the presence of retinopathy strongly suggests coexisting diabetic nephropathy. |
|
What is the Winter's formula? |
The adequacy of respiratory compensation can be checked using Winter formula:
Winter formula: Expected Pco2 = (1.5 × [HCO3] + 8) ± 2 = 24 ± 2
If the measured Pco2 is elevated for the degree of metabolic acidosis, the diagnosis of respiratory acidosis is established |
|
What is the formula for corrected HCO3 |
Corrected [HCO3] = measured [HCO3] + (measured anion gap – 12) |
|
What 5 question should be considered when approaching an acid-base problem |
* Is the patient acidemic or alkalemic? |
|
What is the normal anion gap |
12 ± 2 meq/L
Kaplan: 8-12 |
|
1. What are the two causes of Normal anion gap metabolic acidosis?
2. How are they distinguished |
1. kidney or extrarenal disease 2. By measuring the: Urine anion gap = (urine [Na] + urine [K]) – [urine Cl]
Normal = 30-50 mEq/L Extrarenal (usually GI) origin: Large -ve Urine anion gap Renal: +ve urine anion gap |
|
The most common renal cause of Normal anion gap metabolic acidosis = |
Renal tubular acidosis |
|
What is the predicted increase in HCO3 in Respiratory acidosis?
a) acute b) chronic |
Acute: 1 meq/L (1 mmol/L) for each 10 mm Hg (1.3 kPa) increase in Pco2
|
|
In acute respiratory alkalosis, for each 10 mm Hg decline in Pco2 the expected decline in serum HCO3 is _____ |
2 meq/L |
|
Diuretic-induced hyponatremia most commonly occurs in patients taking________ diuretics |
thiazide
Tx = Mildly symptomatic = NS Severely Symptomatic = 3% saline |
|
diuretics are largely ineffective in individuals with an estimated glomerular filtration rate below 30 mL/min/1.73 m2 |
Thiazide |
|
In a patient with hypokalemia, a urine potassium concentration of less than ____ meq/L (mmol/L) is suggestive of extrarenal losses, whereas a concentration higher than this value is suggestive of kidney losses. |
20 |
|
Laxative abuse causes ____kalemia and _______osis |
hypokalemia metabolic acidosis
- Diarrhea leads to fecal potassium wastage and is associated with a normal anion gap acidosis due to increased gastrointestinal loss of bicarbonate |
|
Whats the indication for Cinacalcet, a parathyroid calcium-sensing receptor, leading to decreased release of parathyroid hormone? |
Secondary and Tertiary hyperparathyroidism |
|
The MCC of hypercalcemia in the outpatient setting is: |
Hyperparathyroidism |
|
Patients with chronic alcoholism may have normal serum _____ levels on admission to the hospital but may develop severe ______ over the first 12 to 24 hours.
Sx include: confusion, rhabdomyolysis, hemolytic anemia, and severe muscle weakness that can lead to respiratory failure |
phosphorus, hypophosphatemia
Often due to IV glucose administration, which stimulates insulin release and causes phosphate to shift into cells. |
|
Diabetic patient with R flank pain and high fever. CVA tenderness, WBC casts, CT shows air in Right renal parenchyma |
Emphysematous pyelonephritis - usually due to gram -ve like E. Coli - tx includes surgical drainage and abx |
|
Pt with acute bacterial prostatitis. Exam shows distended bladder. Whats the next step? |
Placement of a suprapubic catheter
- Uretheral catheterization is contraindicated due to risk of sepsis |
|
The major signs of _____ include liver or spleen damage (splenomegaly), low red blood cell counts (anemia), low blood platelet counts, and bone problems (osteolytic lesions). Histology reveals large histocytes with cytoplasms engorged with glycolipid. |
Gaucher disease - deficiency in glucocerebrocidase - tx --> imiglucirase |
|
1. Initial approach in a patient who has unexplained recurrent kidney stones
2. what is the tx? |
1. 24h urine with a corresponding blood sample - to measure Ca, citrate, oxalate and creatinine
2. Thiazide diuretics - cause reabsorption of filtered Ca. - Goal of therapy is to reduce calciuria. |
|
Choice of IV fluid in hypernatremic hypovolemia? |
NS |
|
What is the pathophysiology of a) Type I renal tubular acidosis b) what is the urine pH c) Clinical features d) Treatment e) Causes |
a) No distal tubular acid secretion b) > 5.3 - Only type with > 5.3 pH c) Renal stones , low K+ d) Oral HCO3, K+, Thiazides e) Amphotericin, light chains in MM, chronic infection |
|
What is the pathophysiology of a) Type II renal tubular acidosis b) what is the urine pH c) Clinical features d) Treatment e) Causes |
a) No proximal tubular HCO3 reabsorption b) < 5.3 c) Low K+, Low HCO3-, Lytic bone lesions d) Thiazides, oral HCO3 e) Carbonic anhydrase inhibitors (MCC), primary hyperparathyroidism, drugs (aminoglycoside), Fanconi syndrome |
|
What is the pathophysiology of a) Type IV renal tubular acidosis b) what is the urine pH c) Clinical features d) Treatment e) Causes |
a) Aldosterone deficiency - Primary or Secondary b) < 5.3 c) High K+ - only type with high K+ d) Fludrocortisone, K+ restriction e) Aldosterone deficiency, DM, Interstitial disease, excess spirinolactone
|
|
Prominent U Waves are present in ______ |
hypokalemia |
|
The first EKG finding of hyperkalemia is _____ |
Tall, peaked T-waves
- as the hyperkalemia worsens, there is P-wave flattening prolongation of the PR interval Widening of QRS Shortening of QT segment |
|
In post-streptococcal glomerulonephritis, hematuria develops ______ after the primary infection |
1-2 weeks |
|
Cause of IgA nephropathy is usually _______ (bacterial or viral) |
Viral - Asymptomatic (gross) Hematuria 1-2 days after upper respiratory tract infection or GI infection is a common presentation of IgA nephropathy
|
|
Pts with proteinuria due to glomerular disease should be given ____ to reduce proteinuria and HTN |
ACEI or ARBs |
|
Uniform and diffuse effacement of foot processes is seen in ______ |
MCD |
|
High CK, positive Blood on urine dipstick with no RBCs. dx? |
Myoglobinuria from rhabdomyolysis - Ethanol abuse cause hypophosphatemia and hyperkalemia - both can cause rhabdomyolysis |
|
______ can be given for alkalization of urine |
Potassium citrate - given in hyperurecemic pts who have uric acid stones |
|
_____ kidney stones are a/w UTI |
Struvite (MgNH4PO4) |
|
_______ presents with spasms of pain, usually unilateral, often radiating to the groin. |
Renal colic - tx with NSAIDS and IV hydration |
|
1. Hyperphosphatemia is considered significant when values reach > _____ mg/dl
2. What are oral PO4 binders used in the tx of hyperphosphatemia? |
1. 1. 5 mg/dl 2. CaCO3, Calcium acetate |
|
______ is a complication of EPO therapy for the tx of anemia due to chronic renal failure |
HTN - develops suddenly at initiation of therapy |
|
Tx of Choice to prevent contrast induced nephropathy |
IV hydration with NS |
|
Pts with sickle cell disease most commonly have this renal condition? |
papillary necrosis |
|
1. U/S of testes reveals homogenous, hypo echoic mass
|
1. seminoma |
|
Name cancers involved with the following tumor markers: a) CA-125 (3) b) CA-19-9 c) PSA d) S-100 |
a) ovarian, endometrial, pancreatic b) Pancreatic and GI malignancies c) Prostate diseases d) Melanoma |
|
What is the normal anion gap? |
5-15 |
|
RTA - Type 2: a) What is the pathophysiology
b) Clinical features?
c) Serum K levels? d) Dx? e) Tx? |
a) No prox tubular bicarb absorption b) Osteomalacia/Rickets c) Low K+ d) HCO3 load test (level remains low) e) Volume restriction Also, High dose HCO3 and/or thiazide |
|
Nephrocalcinosis and nephrothiliasis is a feature of RTA type _____ |
RTA Type I
|