4-Lab values Flashcards
1
Q
which lab tests have the fastest turn around time?
A
- stat lab test
- less than one hour
2
Q
examples of stat lab tests:
A
- glucose
- electrolytes
- amylase for pancrease
- troponin for MI
3
Q
panic values for hematology:
A
- Hct less than 14%
- platelets less than 20,000/microliter
- PTT less than 40 seconds
4
Q
panic values for Ca, Na, and pH
A
Ca less than 6 mg/dl or greater than 13
Na less than 120 mEq/L or greater than 160
pH below 7.2 or above 7.6
5
Q
Microbiologic panic values:
A
- blood culture positive (for bacteria?)
- gram stain positive on CSF
6
Q
what is a clot tube used for?
A
serum used for chemistry tests
7
Q
what is a lavender top (EDTA anticoagulant) used for?
A
whole blood
- CBC (complete blood cell count)
- Erythrocyte Sedimentation Rate
8
Q
what is blue top used for?
A
(citrate anticoagulant)
- plasma coagulation tests:
- prothrombin time
- activated partial throboplastin time (aptt; ptt)
- thrombin time
- fibrinogen
- factor assays
9
Q
grey top
A
(fluoride inhibits cellular glycolysis)
-for glucose measurements for diabetes
10
Q
green top
A
(heparin)
-plasma for stat chemistries
11
Q
what does aptt monitor
A
heparin
12
Q
PT monitors?
A
coumadin
