Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (143 page)

BOOK: Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis
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The following lists provide common agents based on disease presentation. In addition to the clinical presentation, epidemiologic risk should be considered when determining diagnostic and therapeutic strategies. Additional information is provided for a number of agents in
Chapter
11
.
Infectious Diseases
.

   Gastroenteritis with vomiting as the prominent symptom. Suspect:
   Anisakiasis
   Enteric viruses (e.g., rotavirus, norovirus, enteric adenovirus)
   Preformed toxin ingestion (
S. aureus
,
B. cereus
)
   Noninflammatory diarrhea (watery without marked fecal WBCs or RBCs). Suspect:
   
Clostridium perfringens
   
Cryptosporidium
species
   
Cyclospora cayetanensis
   Enteric virus (astrovirus, norovirus or other calicivirus, adenovirus, rotavirus)
   Enterotoxigenic
E. coli
   
Giardia lamblia
   
Vibrio cholerae
   Inflammatory diarrhea as the prominent symptom (grossly bloody stool, pus or increased fecal WBCs, fever, and systemic signs and symptoms). Suspect

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