Fecal Analysis Flashcards
What produces a black and tarry stool?
Degradation of Hgb
What can ingestion of iron, charcoal, or bismuth cause in stool?
Black colored stool
What is indicative of intestinal inflammation or irritation in stool?
The Presence of mucus coated stools
Pathologic Colitis
Excessive straining
What does blood streaked mucus suggest?
Damage to the intestinal walls
Bacterial or amebic dysentery or malignancy
What conditions do we see leukocytes in stool?
Ulcerative Colitis
Bacterial dysentery
What do salmonella, shigella, E. coli, campylobacter and Yersinia cause?
Fecal Leukocytes
What is helpful in the diagnosis and monitoring of patients with pancreatic insufficiency?
The presence of undigested striated muscle fibers
What is the most frequently performed fecal analysis?
Chemical screening for the detection of occult (hidden) blood (gFOBT)
What is the principle of Guaiac Based Fecal Occult Blood (gFOBT)?
The Psuedoperoxidase activity if Hgb