Specimen Preparation, Handling, Transport & Storage Flashcards
Preanalytical Variable in Px. Preparation
Age & Gender
Diurnal Variation
Posture
Fasting
Diet
Drugs
Stress
Exercise - Transient Increase
Lactate, FA, Ammonia
Fasting Specimens
FBS
GTT
Lipid Profile
Gastrin
Insulin
Aldoterone/Renin
Over fasting - 72 hrs
Increased in Males: TAG
Decreased in Females: 45mg/dl of Glucose
Increased during standing
Albumin
Cholesterol
Aldosterone
Calcium
Increased - From Supine to Sitting
Albumin
Enzymes
Calcium
Increased - From Sitting to Supine
Proteins
Lipids
BUN
Iron
Calcium
Increased - Prolonged tourniquet application
Potassium
Proteins
Enzymes
Lactate
Cholesterol
Ammonia
Increased - Fist Clenching
Potassium
Phosphate
Lactate
Analytes Increased in AM
ACTH
Iron
Cortisol
Analytes Increased in PM
GH
ACP
Calcium is ___& decrease supine
4%
Iron decreases up to ___% during the day.
30%
Decreased cortisol level by 8:00 pm
50%
Uric acid levels peak in men in their
20s
Increase of Cholesterol/TAG per year
TG - 2mg/dL (0.02 mmol/L)
TC - 2 md/dL (0.05 mg/dL)
Sleeping patients
Should be awakened
Outpatient/Ambulatory Patient is counterchecked with:
Driver’s License or Valid ID with photo
3 ways of ID
Positive ID: Verbal ID statement
Passive ID: Check ID band
Comparison of labeled specimen with px. ID before leaving
Average human blood
5 quartz (4.73 L)