Diarrhea Flashcards
Virus: DNA genome
Adenovirus
Virus: Segmented genome
Rotavirus
Virus: Adult patient
Norwalk virus
Parasite: Gram + spores in stool
Microsporidia
Parasite: Trophozoites in stool: + fecal antigen test
Giardia lamblia
Parasite: Trophozoites in stool: flask shaped lesions on biopsy
Entamoeba
Parasite: Acid fast cysts in stool
Cyclospora
Parasite: Acid fast cysts in stool AND intestinal glands
Cryptosporidium parvum
Bacteria: Gram positive rod
Clostridium
C diff if pt has had antibiotics, C perfringens otherwise
Bacteria: Gram negative curved rod: growth at 42 C
Campylobacter jejuni
Bacteria: Gram negative curved rod: pt has been overseas
Vibrio cholera
Bacteria: Gram negative curved rod: shellfish
Vibrio parahemolyticus
Bacteria: Gram negative rod: motive
Salmonella
Bacteria: Gram negative rod: grows at room temp
Yersinia enterocolitica
Bacteria: Gram negative rod: reacts with anti- E coli toxin Ab
Pathogenic E. coli