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Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Algorithm Pinpoint ... Red Flags: • Fever ... Fecal occult blood test ... • Serology for
Possible Algorithm for Workup of Fever of Unknown Origin (FUO)
Tier 1 Workup:
 • CBC, comprehensive metabolic
Possible Algorithm ... for Workup of Fever ... • Additional tests ... Tagged WBC scan • Lumbar ... Origin #Workup #diagnosis
Fever of Unknown Origin (FUO) Diagnostic Algorithm
STEP 1 Perform a comprehensive history and complete physical examination.
STEP
Fever of Unknown ... Algorithm STEP ... TSH, RF, ANA, HIV ... -1/2 serology, hepatitis ... tuberculosis skin test