1
Q
Age
A
RBC, WBC, Creatine clearance
2
Q
Altitude
A
RBC (increase w/ higher altitude)
3
Q
Dehydration
A
Hemoconcentration, RBC, enzymes, Fe (iron), Ca (calcium), Na (sodium)
4
Q
Diet
A
Glucose, lipids, electrolytes
5
Q
Diurnal variation
A
TSH, Cortisol, Fe (iron)
6
Q
Drug therapy
A
Enzymes, hormones
7
Q
Exercise/IM injection
A
pH, PCO, CK, LDH, glucose
8
Q
Fever
A
Hormones, cortisol
9
Q
Gender
A
RBC, Hgb, Hct
10
Q
Jaundice
A
Yellow color interferes
11
Q
Position
A
Protein, K (potassium)
12
Q
Pregnancy
A
RBC
13
Q
Smoking
A
Cholesterol, cortisol, glucose, GH, triglyceride, WBC
14
Q
Stress
A
WBC, Fe (iron), ACTH, catecholamine, cortisol
15
Q
Temperature and humidity
A
Hemconcentration
