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104 Cards in this Set

  • Front
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platelets value
150,000 - 400,000
leukocytes value
4,500 - 11,000
erythrocytes value
4- 6.2 million
serum sodium
major cation of extracellular fluid
maintain acid base balance & osmotic pressures
absorbed in the small intestine
serum sodium
nursing consideration
drawing blood samples proximal to the IV infusion of sodium chloride will give falsely elevated results.
serum potassium K
intracellular cation
regulate cellular water balance
body obtains K through the kidneys and diet

K levels evaluate cardiac, renal, and GI function.
serum potassium K
nursing consideration
Do not draw bld from IV infusion site
Pt w elevated WBC and platelet may have falsely elevated K levels.
serum chloride
most abundant anion in extracellular fluid
counterbalance cations
acts as a buffer during O2 and CO2 exchange in RBC
serum chloride
nursing consideration
Draw bld from extremity that does not have NS infusing
Any condition accompanied by prolonged vomiting, diarrhea, both will alter levels
serum bicarbonate
part of the bi-carbonate carbonic acid buffering system
regulates PH of body fluids
serum sodium level
135 to 145 mEq/L
serum potassium level
3.5 to 5.1 mEq/L
serum chloride level
98 to 107 mEq/L
serum bicarbonate level
(venous)
22 to 29 mEq/L
aPTT
(activated partial thromboplastin time)
Evaluates how well the co-ag sequence is func. by measuring the amount of time it takes for racalcified, citrated plasma to clot after partial thromboplastin is added.
used for heparin therapy
aPTT
(activated partial thromboplastin time)
nursing considerations
if pt is receiving heparin draw bld 1 hour before next dose.
Not same arm as heparin infusion.
Take specimen to lab STAT
prothrombin
vit. K dependent glycoprotein produced by the liver necessary for firm clot formation
prothrombin time (PT)
PT measures the amount of time it take for clot formation.
monitors response to Coumadin.
screens for dysfunc. of the extrinsic system that results from liver disease, vit. k deficiency, or disseminated intravascular coagulation.
international normalized ratio(INR)
measures the effects of oral anticoagulants
prothrombin values (PT) values
9.6 to 11.8 seconds (a. male)
9.5 to 11. 3 seconds (a. female)

PT value within 2 sec more or less is considered normal
international normalized ratio (INR)
2 to 3 for standard warfarin sodium(Coumadin)

3 to 4.5 for high dose of warfarin sodium(Coumadin)
prothrombin time (PT)
nursing consideration
PT longer than 30 sec places client at risk for hemorrhage.
Oral anticoagulation therapy usually maintains the PT at 1.5 to 2 times the lab control value.
Diets high in greefy veggies can ^ absorption of vit. k(shortens the PT)
platelets
function in hemostatic plug formation, clot retraction, and coagulation factor activation.
produced by the bone marrow to function in hemeostasis.
platelets
nursing considerations
high altitudes, chronic cold weather, and exercise ^platelet count.
Institute bleeding precautions for pt. w low platelet count.
erythrocyte
(sedimentation rate)
1 hour- settles out of blood
hemoglobin value
14 to 16.5 g/dl
12 to 15 g/dl
hemoglobin
transports O2 and CO2
Hemoglobin tests identify anemia
hematocrit
represents RBC mass
hematocrit tests identify anemia & hemolytic disorders
hematocrit value
42 to 52% (m. adult)
35 to 47% (f. adult)
red blood cells value
4.5 to 6.2 million cells (m. adult)
4.0 to 5.5 million cells (f. adult)
red blood cells (RBC's)
function in the hemoglobin transport
deliver O2 to the body tissues
Life span of 120 days
Formed by the red bone marrow
Removed from the blood by the spleen,liver, and bone marrow
serum iron value
65 to 175 mcg/dl (m. adult)
50 to 170 mcg/dl (F. adult)
serum iron
found in the hemoglobin
carrier of O2 from the lungs to the tissues
creatinine kinase (CK)
enzyme found in the muscle and brain.
reflects tissue breakdown resulting from trauma
creatinine kinasa (CK)
3 types and def.
There are isoenzymes.
CK-MB(cardiac)
CK-BB(brain)
CK-MM(muscle)
CK-MB values
CK-BB values
CK-MM values
CK-MB 0 to 5% of total CK
CK-BB 95 to 100% of total CK
CK-MM 0% of CK
CK nursing intervention
(IN)
Invasive procedures or intramuscular injections may falsely elevate CK level
no alcohol 24 hours before
lactate dehydrogenase (LDH)
Isoenzymes affected ny MI are LDH1 and LDH2.
LDH rises 24 after a MI peaks in 48 to 72 than return normal 7 to 14 days
The presence of the LDH flip is when LDH1 is _____ than LDH2 and is helpful in diagnosing ___.
higher
myocardial infraction (MI)
lactate dehydrogenase (LDH)
nursing intervention
testing should be repeated in 3 days
lactate hydrogenase (LDH)
isoenzymes values
LDH1 14 to 26%
LDH2 29 to 39%
LDH3 20 to 26%
LDH4 8 to 16%
LDH5 6 to 16%
lactate hydrogenase value
140 to 280 units/L
Troponins
regulatory proteins found in striated muscles(skeletal, myocardial)
^ amounts are released in the bld stream when an infarction causes damage to the myocardium
Levels elevate 3 hours after myocardial injury. T1 levels remain elevated for 7 to 10 days. T2 remain elevated for 10 to 14 days.
troponin value
troponin 1 0.6 to 2.5 ng/ml
(more or less consistent w an MI)

troponin T 0.1- 0.2 ng/ml
(more indicates MI)
myoglobin
O2 binding protein found in the striated (cardiac and skeletal) muscle. Release O2 at low levels.
any injury to skeletal muscle muscle causes a release of myoglobin in the bld.
myoglobin value
< than 90 mcg/L could indicate MI
myoglobin nursing interventions
levels can rise early as 2 hours after MI with a rapid decline after 7 hours.
albumin
main plasma in blood
transports bilirubin, fatty acids, meds, hormones.
^ in conditions such as dehydration, diarrhea, mestatic carcinoma
decreased in condition such as acute infection, ascites, alcoholism
albumin value
3.4 to 5 g/dl
ammonia value
35 to 65 mcg/dl
ammonia
waste product from nitrogen breakdown during protein metabolism
metabolized by the liver and excreted by the kidneys are urea.
not a reliable indicator of hepatic coma.
amylase
enzyme produced by the pancreas and salivary glands that aids in the digestion of complex carbs that is excreted by the kidneys.
Acute pancreatitis amylase level ^
rise 3 to 6, peaks @ 24 hours, return to normal 2 to 3 days.
amylase value
25 to 151 units/L
bilirubin
produced by the liver, spleen, and bone marrow.Byproduct of hemoglobin breakdown.
bilirubin values
direct 0 to 0.3 mg/dl
indirect 0.1 to 1 mg/dl
total less than 0.5 mg/dl
bilirubin nursing intervention
Instruct client to eat diet low in yellow foods for 3 to 4 days before blood is drawn.
results will be ^with the ingestion of alcohol and morphone sulfate, theophylline, absorbic acid(vit c) or aspirin
results invalid if rediactive scan is performed 24 hours b4.
Lipids
blood lipids consist primarily of cholesterol, triglycerides and phospholipids.
lipid assessment includes total cholesterol, high density lipoprotein(HDL), low density lipoprotein(LDL) and triglycerides.
Cholesterol is present in all body parts and major components of LDLs, brain and nerve cells, cell membranes, and some gallbladderstones.
lipids (triglycerides)
constitute a major part of very low density lipoproteins (VLDL) and smart parts of LDLs.
Synthesized in the liver from fatty foods. protein, glucose.
lipid fact
^ cholesterol, LDL, and triglyceride level place the pt. at risk for coronary disease.
HDL's help protect against the risk of coronary artery disease.
Cholesterol value
140 to 199 mg/dl
low density lipoprotein(LDL) value
less than 130 mg/dl
high density lipoprotein(HDL) value
30 to 70 mg/dl
triglycerides
less than 200 mg/dl
lipid nursing intervention
oral contraceptives increase lipid level
fast 12 to 24 hours before w water
refrain from alcohol 24 hours before
protein
(RRID)
Reflects amount of albumin & globulins in the serum.
Regulates osmotic pressure.
Increased in Addisons, autoimune collagen disorders, chronic infec., Crohn's disease.
Decreased in burns, cirrhosis, edema, sever hepatic disease.
protein value
6 to 8 mg/dl
uric acid
formed as the purine adenine and quanine.
Elevated amounts deposit in joints causing gout.
Fast cell turnover and slowed renal excretion of UA may cause uricemia.
uric acid value
4.5 to 8mg/dl (male)
2.5 to 6.2 mg/dl (female)
uric acid nursing interventions
aminophlline, caffeine, and vit.C may cause false elevated readings.
blood glucose
a monosaccharide found in fruits.
formed from the digestion of carbs and the conversion of glucogen by the liver

Body's main function of energy and is essential for brain and erythrocyte function
glucose tolerance test
diagnosis of diabetes mellitus
(if glucose level peak 1 to 2 hours after inj. and are slower than normal to return to fasting levels, diabetes mellitus is confirmed)
glycosylated hemoglobin
is blood glucose that is bound to the hempglobin.
glycosylated hemoglobin A(hbA1c) is a reflection how well BG has been controlled for 3 to months.
glycosylated hemoglobin value
diabetics w good control 7% or <
diabetic w fair control 7%- 8%
diabetic w poor control 8% or >
glycosylated hemoglobin nursing consideration
fasting is NOT required before the test.
glycosylated serum albumin(fructosamine)
reflects serum glucose levels over 2 to 3 weeks.
more sensitive to recent changes the HBA1c test
glycosylated serum albumin value
non diabetic 1.5 to 2.7 mmmol/L

diabetic 2.0 to 5.0 mmol/L
serum creatinine
very specific indicator of renal function
Elevated levels indicate a slowing of the glomerular filtration rate
serum creatinine value
0.6 to 1.3 mg/dl
blood urea nitrogen (BUN)
urea nitrogen is the nitrogen portion of urea, formed in the liver through enzymatic protein breakdown.
urea is freely flitered through the glomeruli, small amount is reabsorbed in the tubules, remainder excreted in the urine.
blood urea nitrogen (BUN) value
8 to 25 mg/dl
calcium
cation absorbed in the bppd from diet.
Functions in bone formation, nerve impulse transmission, and the contraction of myocardial and skeletal muscles.
aids in blood clotting (converts PT to thrombin)
calcium value
8.6 to 10 mg/dl
magnesium
used to determine metabolic act and renal function.
needed for bld clotting.
regulates neuromuscular act. metabolism of calcium.
magnesium value
1.6 to 2.6 mg/dl
phosphorus
absorbed from food excreted by the kidneys.
bone formation, energy storage & release. urinary acid base buffering and carb metabolism.
phosphorus value
2.7 to 4.5 mg/dl
Thyroid studies values
thyroid stimulating hormone (thyrotropin) 0.2to 5.4 microunits/ml
thyroxine 5 to 12 mcg/dl
thyroxine free 0.8 to 2.4 ng/dl
triiodothyronine 80 to 230 ng/dl
white blood cells (WBC) value
4500 to 11000 cells/mm3
white blood cells
body's immune defense system
white blood cells (WBC) nursing considerations
SHIFT TO THE LEFT- ^ # of immature neutrophils in the blood.
SHIFT TO THE LEFT & LOW WBC- recovery from bone marrow depression or an infection of such intensity that the demand for neutrophils in the tissue is greater than the capacity in the bone marrow to release them into circulation
SHIFT TO THE LEFT & HIGH WBC- increases release of neutrophils by the bone marrow in response to overwhelming infection or inflammation.
SHIFT TO THE RIGHT- the cells have more than usual number of nuclear segments(found with liver disease, down syndrome, and megaloblastic, pernicious anemia)
HIV/ AIDS tests
ELISA(enzyme linked immunosorbent assay), Western blot (WB), and immunofluorescence assay (IFA).
CD4 T-cell counts
monitor the progression of HIV
as the disease progress the CD4 t-cell count decreases
CD4 T-cells value
500 to 1600 cells/mm3

< 200 severe immune problems occur
Acetaminophen (Tylenol) range
10 to 20 mcg/ml
Carbamazepine (Tegretol) range
5 to 12 mcg/ml
******Digoxin (Lanoxin)******
range
0.5 to 2 ng/ml
Gentamycin (Garamycin) range
5 to 10 mcg/ml
Lithium (Lithobid) range
0.5 to 1.3 mEq/L
Magnesium sulfate range
4 to 7 mg/dl
Phenytoin (Dilantin) range
10 to 20 mcg/ml
Salicylates range
100 to 250 mcg/ml
Theophylline range
10 to 20 mcg/ml
Tobramycin (Nebcin) range
5 to 10 mcg/ml
Valproic acid (Depakene) range
50 to 100 mcg/ml