Clin Microscopy Flashcards
(40 cards)
Enzyme deficiency of Lesch-Nyhan syndrome
Hypoxanthine-guanine phosphoribosyltransferase
Normal synovial fluid glucose should not be more than ___ than blood glucose
10 mg/dL lower
Synovial fluid protein value
<3g/dL (1/3 of serum)
Pseudogout crystal
Calcium pyrophosphate dihydrate CPPD
Gout crystal
Monosodium urate MSU
Only synovial fluid crystal that do not polarize light / no birefringence
Apatite (Calcium phosphate)
Synovial fluid viscosity
4-6 cm string
Vacuolated macrophage with ingested neutrophil
Reiter cell
Enzymes to monitor severity of RA
ACP, ALP, GGT, Adenosine deaminase, Muramidase, Cytidine deaminase, LDH, AST
Fluid:serum cholesterol, protein, bilirubin, lactate ratios for TRANSUDATE
<0.3, <0.5, <0.6, <0.6
“Chloe ProBi Late”
Pleural fluid with _____, _____, and _____ are associated with tuberculosis
Decreased mesothelial cells
Plasma cells
Elevated adenosine deaminase ADA (≥40 U/L)
Recommended test for determining whether peritoneal fluid is a transudate or exudate
Serum-ascites albumin gradient SAAG
Normal RBC cell count in SYNOVIAL fluid
<2000 cells/uL
RBC cell count in Peritoneal LAVAGE
> 100,000 RBCs/uL
Membrane that lines the wall of a cavity
Parietal
Test performed for PLEURAL fluid to classify as transudate or exudate
Fluid:cholesterol ratio
Differentiation between bacterial peritonitis and cirrhosis
Absolute neutrophil count
>250 cells/uL or >50% of total WBC count = inflammation
Increased amount of total fecal fats on the second slide (split fat stain)
Malabsorption
Used to emulsify stool for muscle fiber detection
10% alchoholic eosin
Results from diseases that damage intestinal mucosa
Results from decreased level of pancreatic enzymes/bile acid formation
Malabsorption
Maldisgestion
Most routinely used for quantitative fecal fat measurement (gold standard)
Van de Kamer titration
FOBT more sensitive to lower GI bleeding
iFOBT (immunochemical)
FOBT more sensitive to upper GI bleeding
pFOBT (porphyrin-based fluorometric)
APT test reagent
1% NaOH
