Laboratory Studies Flashcards
1
Q
What is the normal reference range for erthyrocyte sedimentation rate (ESR)?
A
0 - 20 mm/Hr
Epic
2
Q
What is the normal reference range for (C-reactive protein) CRP?
A
< 0.5 mg/dL
Epic
3
Q
What is the normal reference range for aPTT?
A
23 - 32 seconds
Epic
4
Q
What is xanthochromia?
A
Discoloration of CSF due to the lysis of red blood cells.
The breakdown of hemoglobin first to oxyhemoglobin (pink) and later to bilirubin (yellow) leads to a yellow or pink discoloration of the CSF.
From https://www.uptodate.com/contents/cerebrospinal-fluid-physiology-and-utility-of-an-examination-in-disease-states?search=pleocytosis&source=search_result&selectedTitle=1~150&usage_type=default&display_rank=1
