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104 Cards in this Set
- Front
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platelets value
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150,000 - 400,000
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leukocytes value
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4,500 - 11,000
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erythrocytes value
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4- 6.2 million
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serum sodium
|
major cation of extracellular fluid
maintain acid base balance & osmotic pressures absorbed in the small intestine |
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serum sodium
nursing consideration |
drawing blood samples proximal to the IV infusion of sodium chloride will give falsely elevated results.
|
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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. |
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serum chloride
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most abundant anion in extracellular fluid
counterbalance cations acts as a buffer during O2 and CO2 exchange in RBC |
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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 |
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serum bicarbonate
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part of the bi-carbonate carbonic acid buffering system
regulates PH of body fluids |
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serum sodium level
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135 to 145 mEq/L
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serum potassium level
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3.5 to 5.1 mEq/L
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serum chloride level
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98 to 107 mEq/L
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serum bicarbonate level
(venous) |
22 to 29 mEq/L
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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 |
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prothrombin
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vit. K dependent glycoprotein produced by the liver necessary for firm clot formation
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prothrombin time (PT)
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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. |
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international normalized ratio(INR)
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measures the effects of oral anticoagulants
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prothrombin values (PT) values
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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 |
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international normalized ratio (INR)
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2 to 3 for standard warfarin sodium(Coumadin)
3 to 4.5 for high dose of warfarin sodium(Coumadin) |
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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) |
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platelets
|
function in hemostatic plug formation, clot retraction, and coagulation factor activation.
produced by the bone marrow to function in hemeostasis. |
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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
|
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hemoglobin value
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14 to 16.5 g/dl
12 to 15 g/dl |
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hemoglobin
|
transports O2 and CO2
Hemoglobin tests identify anemia |
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hematocrit
|
represents RBC mass
hematocrit tests identify anemia & hemolytic disorders |
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hematocrit value
|
42 to 52% (m. adult)
35 to 47% (f. adult) |
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red blood cells value
|
4.5 to 6.2 million cells (m. adult)
4.0 to 5.5 million cells (f. adult) |
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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 |
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serum iron value
|
65 to 175 mcg/dl (m. adult)
50 to 170 mcg/dl (F. adult) |
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serum iron
|
found in the hemoglobin
carrier of O2 from the lungs to the tissues |
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creatinine kinase (CK)
|
enzyme found in the muscle and brain.
reflects tissue breakdown resulting from trauma |
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creatinine kinasa (CK)
3 types and def. |
There are isoenzymes.
CK-MB(cardiac) CK-BB(brain) CK-MM(muscle) |
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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 |
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CK nursing intervention
(IN) |
Invasive procedures or intramuscular injections may falsely elevate CK level
no alcohol 24 hours before |
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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) |
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lactate dehydrogenase (LDH)
nursing intervention |
testing should be repeated in 3 days
|
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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% |
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lactate hydrogenase value
|
140 to 280 units/L
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Troponins
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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. |
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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) |
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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. |
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myoglobin value
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< than 90 mcg/L could indicate MI
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myoglobin nursing interventions
|
levels can rise early as 2 hours after MI with a rapid decline after 7 hours.
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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 |
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albumin value
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3.4 to 5 g/dl
|
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ammonia value
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35 to 65 mcg/dl
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ammonia
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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. |
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amylase value
|
25 to 151 units/L
|
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bilirubin
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produced by the liver, spleen, and bone marrow.Byproduct of hemoglobin breakdown.
|
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bilirubin values
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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. |
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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. |
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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. |
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Cholesterol value
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140 to 199 mg/dl
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low density lipoprotein(LDL) value
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less than 130 mg/dl
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high density lipoprotein(HDL) value
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30 to 70 mg/dl
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triglycerides
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less than 200 mg/dl
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lipid nursing intervention
|
oral contraceptives increase lipid level
fast 12 to 24 hours before w water refrain from alcohol 24 hours before |
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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. |
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protein value
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6 to 8 mg/dl
|
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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.
|
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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 |
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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) |
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glycosylated hemoglobin
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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. |
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glycosylated hemoglobin value
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diabetics w good control 7% or <
diabetic w fair control 7%- 8% diabetic w poor control 8% or > |
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glycosylated hemoglobin nursing consideration
|
fasting is NOT required before the test.
|
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glycosylated serum albumin(fructosamine)
|
reflects serum glucose levels over 2 to 3 weeks.
more sensitive to recent changes the HBA1c test |
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glycosylated serum albumin value
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non diabetic 1.5 to 2.7 mmmol/L
diabetic 2.0 to 5.0 mmol/L |
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serum creatinine
|
very specific indicator of renal function
Elevated levels indicate a slowing of the glomerular filtration rate |
|
serum creatinine value
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0.6 to 1.3 mg/dl
|
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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. |
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blood urea nitrogen (BUN) value
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8 to 25 mg/dl
|
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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) |
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calcium value
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8.6 to 10 mg/dl
|
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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
|
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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
|
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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 |
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white blood cells (WBC) value
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4500 to 11000 cells/mm3
|
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white blood cells
|
body's immune defense system
|
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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) |
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HIV/ AIDS tests
|
ELISA(enzyme linked immunosorbent assay), Western blot (WB), and immunofluorescence assay (IFA).
|
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CD4 T-cell counts
|
monitor the progression of HIV
as the disease progress the CD4 t-cell count decreases |
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CD4 T-cells value
|
500 to 1600 cells/mm3
< 200 severe immune problems occur |
|
Acetaminophen (Tylenol) range
|
10 to 20 mcg/ml
|
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Carbamazepine (Tegretol) range
|
5 to 12 mcg/ml
|
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******Digoxin (Lanoxin)******
range |
0.5 to 2 ng/ml
|
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Gentamycin (Garamycin) range
|
5 to 10 mcg/ml
|
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Lithium (Lithobid) range
|
0.5 to 1.3 mEq/L
|
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Magnesium sulfate range
|
4 to 7 mg/dl
|
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Phenytoin (Dilantin) range
|
10 to 20 mcg/ml
|
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Salicylates range
|
100 to 250 mcg/ml
|
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Theophylline range
|
10 to 20 mcg/ml
|
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Tobramycin (Nebcin) range
|
5 to 10 mcg/ml
|
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Valproic acid (Depakene) range
|
50 to 100 mcg/ml
|