Shared Flashcard Set

Details

Core Clinical Lab Values
Ranges and Critical Values for Lab Tests
54
Pharmacology
Graduate
04/10/2011

Additional Pharmacology Flashcards

 


 

Cards

Term
Sodium
Definition
Reference Range
136-146 mEq/L

Critical Values*
< 120 mEq/L
> 165 mEq/L

*Note: hyper-/hypo-glycemia defined based on reference range
Term
Potassium
Definition
Reference Range
3.5-5.0 mEq/L

Critical Values
< 2.5 mEq/L
> 6.5 mEq/L
Term
Chloride
Definition
Reference Range
98-108 mEq/L

Critical Values
< 80 mEq/L
> 130 mEq/L
Term
Carbon Dioxide
Definition
Reference Range
22-34 mEq/L

Critical Values
< 10 mEq/L
> 40 mEq/L
Term
Anion Gap
Definition
Reference Range/Critical Values
8-12
Term
Magnesium
Definition
Reference Range
1.5-2.3 mEq/L

Critical Values
Same as reference range
Term
Calcium
Definition
Total-
Reference Range: 8.6-10.2 mg/dL
Critical Values: <6.0 >14

Ionized-
Reference Range: 1.12-1.3 mMol/L
Critical Values: <0.75 >1.55
Term
Phosphate
Definition
Reference Range
2.5-4.9 mg/dL

Critical Values
Same as reference range
Term
Fasting Blood Glucose
Definition
Reference Range
73-110 mg/dL

Critical Values
<40 or >500
Term
Glycosylated Hemoglobin (HbA1C)
Definition
3.8-6.4%
Term
Total Cholesterol
Definition
<200 mg/dl desirable
200-239 = borderline high
>240 = high
Term
Triglycerides
Definition
<150 mg/dl = normal
150-199 = borderline high
200-499 = high
>500 = very high
Term
HDL-Cholesterol
Definition
<40 mg/dl = low/undesirable
40-60 = normal
>60 = high/desirable
Term
LDL-Cholesterol
Definition
<100 mg/dl = optimal
100-129 = near optimal
130-159 = borderline high
160-189 = high
>190 = very high
Term
? | ? | ? /
----------- ?
? | ? | ? \
Definition
Na |Cl |Bun/
----------- Glucose
K |CO2|SCr\
Term
\ ? /
? --- ?
/ ? \
Definition
\Hgb/
WBC --- Platelets
/Hct\

* WBC and platelets sometimes switched
Term
? | ? | ? | ? /
----------------- ?
? | ? | ? | ? \
Definition
Ca |TP |AST| LDH /
----------------- T.Bil
P04|Alb|ALT|AlkPh\
Term
Erythrocytes (RBC's)
Definition
Reference Range
Males: 4.5-5.9 x 10^6/cmm
Females: 3.9-5.3 x 10^6/cmm
Term
Hemoglobin (Hgb)
Definition
Reference Range
Males: 13-17.3 g/dL
Females: 12-16 g/dL
Term
Hematocrit (Hct)
Definition
Reference Range
Males: 39-50.2%
Females: 35-48%
Term
Mean Cell Volume (RBC's MCV)
Definition
Reference Range
80-100 fL/cell
Term
Mean Cell Hemoglobin (RBC's MCH)
Definition
Reference Range
25-35 pg
Term
Mean Cell Hemoglobin Concentration (RBC's MCHC)
Definition
Reference Range
30-37%
Term
Red Blood Cell Distribution Width (RDW)
Definition
Reference Range
11.5-15.5%
Term
Reticulocyte Count
Definition
Reference Range
0.5-2.5%
Term
Platelets
Definition
Reference Range
150-450 x 10^3/cmm
Term
White Blood Cells (Leukocytes)
Definition
Reference Range
4-10 x 10^3/cmm
Term
WBC Differential, Adults

Neutrophils -
Bands -
Lymphocytes -
Monocytes -
Eosinophils -
Basophils -
Definition
Neutrophils - 40-70 (mature, aka "segs")
Bands - 0-15 (immature neutrophils)
Lymphocytes - 20-50
Monocytes - 3-8
Eosinophils - 0-4
Basophils - 0-2
Term
Absolute Neutrophil Count (ANC) Calculation

Neutropenia = ?
Definition
ANC* = (%Segs + %Bands) x WBC

Neutropenia = <2000

*Note: Multiply result by 1000
Term
Iron
Definition
Reference Range
33-150 ug/dL
Term
Total Iron-Binding Capacity (TIBC)
Definition
Reference Range
220-440 ug/dL
Term
Ferritin
Definition
Reference Range
Males: 18-320 ng/mL
F (pre-menopause): 6-155
F (post-menopause): 10-265
Term
Prothrombin Time
Definition
Reference Range
9-12 seconds
Term
International Normalized Ratio (INR)

Reference Range, Therapeutic Range, Calculation
Definition
Reference Range
0.9-1.1

Therapeutic Range (warfarin therapy)
2.0-3.0 or 2.5-3.5

Calculation: INR = (PTobs/PTcontrol)^ISI
Term
Partial Thromboplastin Time (PTT)
Definition
Reference Range
35-45 seconds
Term
Serum Creatinine (SCr)
Definition
Reference Range
Males: 0.9-1.3 mg/dL
Females: 0.6-1.0
Term
Creatinine Clearance (Clcr)

Reference Range, Calculation
Definition
Reference Range
80-134 mL/min

Clcr (mmL/min) = [(140-age)*IBW]/(72*Scr)

*0.85 if female
Term
Ideal Body Weight Calculation
Definition
Males: 50 kg + 2.3 kg/inch (>5 ft)
Females: 45 kg + 2.3 kg/inch (>5 ft)
Term
Crcl Urine Collection Estimate
Definition
Clcr (mL/min) = [(UrineCr)*(Urine mL/min)]/SCr

Cr levels in mg/dL

Use urine mL/min based on 24-hour collection
Term
Modification of Diet in Renal Disease (MDRD)
Definition
Accurate in low GFR patients (kidney disease)

mean GFR (reference range?) = 40 mL/min/1.73m^2

GFR = [186*SCr^(-1.154)]*[age^(-0.203)]

Female --> *0.742
Black --> *1.210
Term
Blood Urea Nitrogen (BUN)
Definition
Reference Range
8-20 mg/dL
Term
BUN:SCr Ratio
Definition
Normal = 10:1 - 15:1
Prerenal = > 15:1
Term
Urine pH
Definition
Reference Range
4.6-8.0
Term
Urine Specific Gravity
Definition
Reference Range
1.001-1.035
Term
Urine Protein
Definition
Reference Range
0-30 mg/dL

Sustained proteinuria (mild): <1 g/d
Sustained proteinuria (mod): 1-3 g/d
Sustained proteinuria (nephrotic): >3 g/d
Term
AST
Definition
Reference Range
8-33 IU/L

Critical Value 2x3 times normal
Term
ALT
Definition
Reference Range
7-35 IU/L

Critical Value 2x3 times normal
Term
Total Protein (TP)
Definition
Reference Range
6.0-8.3 g/dL
Term
Albumin (Alb)
Definition
Reference Range
3.5-4.9 g/dL
Term
Bilirubin (T.bil)
Definition
Reference Range
Total: 0.1-1.1 mg/dL
Unconjugated: 0.0-1.0 mg/dL
Conjugated: 0.0-0.3 mg/dL

Critical Value (total): >2-4 mg/dL

Hemolysis: increased unconjugated, LF normal
Cholestatic: increased conjugated
Hepatocellular: increased unconjugated
Term
Lactate Dehydrogenase (LDH)
Definition
Reference Range
60-200 IU/L

*Five isoenzymes
MI - increased LD1 and LD2
Acute liver disease - increased LD4 and LD5
Term
Alkaline Phosphatase (ALP, AlkPhos)
Definition
Reference Range
30-130 IU/L

if elevated: use GGTP
normal GGTP: non-liver cause (e.g. bone)
increased GGTP: liver
Term
Serum Amylase
Definition
Reference Range
30-100 IU/L
Term
Serum Lipase
Definition
Reference Range
4-24 IU/dL
Supporting users have an ad free experience!