clinical chemistry Flashcards
STAT
immediate, urgent requests, emergency usally less than 1 hour TAT
PRIORITY
important for clinical decisions, usually less than 2 hours TAT
ROUTINE
non-urgent, standard or special tests, generally 4-6 hours
FLUIDS USED ON CC TEST
blood, urine, csf, amniotic fluid, saliva, synovial fluid, pleural fluid, pericardial fluid, and peritoneal fluid.
fluid found in joint cavities
synovial fluid
fluid from the sac surrounding the lungs
pleural fluid
fluid from the sac surrounding the heart
pericardial fluid
ascitic fluid from the abdomen
peritoneal fluid
fluid portion of the blood when centrifuged
serum
serum is 95% composed of what?
water
the 55% that composes blood volume
serum
serum contains the ff.
protein, sugars, vitamins, minerals, lipids, lipoproteins.
the clotting factors of blood clot?
fibrin, platelets
the source of blood analysis
veins, arteries, skin puncture capillary blood
collection method for blood analysis
syringe, evacuated tube, intravenous lines
factors affecting choice of blood source and collection method
analyte under investigation and patient.
substances normally present with a function in the circulation
glucose, TP, albumin, individual proteins, electrolytes, TAG, cholesterol, hormones, vitamins
metabolites-nonfunctioning waste products in the process of being cleared
urea, creatinine, uric acid, ammonia, bilirubin
substances from cells as a result of cell damage
enzymes: LD, ALT, AST, CK, AMS, CGT, ALP & ACP
drugs & toxic substances
antibodies, substances of abuse, therapeutic drugs, poisons
source for blood analysis
veins, arteries, capillary blood (skin puncture)
collection method for blood analysis
syringe, evacuated tube, intravenous lines
factors affecting choice of blood source/collection method
analyte under investigation, patient (vascular status, ease of collection)
first order of draw
blood culture or tube
