Shared Flashcard Set

Details

Lab Medicine Interference
Common interference in lab tests. Results denoted (REAL) are in vivo effects. Others are effects on lab results only.
18
Medical
Graduate
04/24/2008

Additional Medical Flashcards

 


 

Cards

Term
Hemolysis Type I
Definition
Interferes with by chemical reaction or spectrophotometric. Carotene, Ceruloplasm, Protein Electrophoresis, Insulin, TG tolerate no hemolysis
Term
Hemolysis Type II
Definition
Leakage of RBC contents into serum. LDH, K+ tolerate no hemolysis
Term
Hemolysis Type III
Definition
Dilution of serum analyte by low analyte concentration in RBC. Mg tolerates no hemolysis
Term
Hemolysis Type IV
Definition
Blood contamination of other bodily fluids (amniotic, CSF)
Term
Albumin
Definition
ASA decreases
Heparin increases
Penicillin causes bisalbuminemia
Term
Alkaline Phosphatase
Definition
Anticoag decrease
Estrogen, gentamicin increase (REAL)
Term
Amylase
Definition
Anticoag decrease
Opiates, OCP increase (REAL)
Term
Bilirubin
Definition
Light decreases
Hepatotoxic, cholestatic drugs increase (REAL
Methyldopa increases
Term
Calcium
Definition
Diuretics, Dilantin decrease (REAL)
Anatacids, Vit D increase (REAL)
Term
Cholesterol
Definition
Androgens, neomycin decrease (REAL)
Bilirubin, corticosteroids increase
Term
Creatinine
Definition
Marijuana, meals decrease (REAL)
Acetoacetic, ascorbic acid, acetone, glucose increase
Term
Digoxin
Definition
Quinidine increases
Term
Glucose
Definition
Vit C decreases (glucose oxidase)
Vit C increases (reduction test)
Term
Occult Blood
Definition
Vit C: false negative
High meat diet: false positive
ASA use (GI bleeding common)
Term
Phenobarbital
Definition
Valproic acid increases (REAL)
Term
Potassium
Definition
Diuretics, cathartics, ASA, steroids decrease (REAL)
Blood transfusion, spironolactone increase (REAL)
Hemolyis, refrigeration increase
Term
Sodium
Definition
Refrigeration decreases
Term
Total T4
Definition
Dilantin decreases (REAL)
OCP increase (REAL)
Supporting users have an ad free experience!