13 results
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Clues to Infectious ... Disease Diagnosis ... → Leptospirosis ... Schistosomiasis • Skin ... #differential #Diagnosis
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... rigors, diarrhea, nausea ... sick contacts, travel ... - BIDMC Infectious ... Rash #clinical #photo
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Skin Rash 40 ... dogs & latter can cause ... gram-negative bacillus cause ... the key to the diagnosis ... dermatology #clinical #photo
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Cryoglobulins Cause ... Labs/Diagnosis: ... Henoch-Schönlein purpura) • Cutaneous
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... aphthous ulcers, cutaneous ... to exclude are infections ... strong sign of cutaneous
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... insufficiency • Vasculitis ... Mycosis fungoides (cutaneous ... Cryoglobulinemia Infectious ... #Algorithm #causes
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... to exclude are infections ... Strong sign of cutaneous ... tract, and often causes
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
with creepy rash. diagnosis ... may be seen in travelers ... self-limited Diagnosis ... Indiana University Infectious ... dermatology #clinical #photo
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... : infections (cutaneous ... of necrotizing vasculitis ... gyratum repens • A skin ... #differential #diagnosis
Waterborne Infections - Differential Diagnosis Framework

Infections that can be acquired from fresh water, brackish water, sea
- Differential Diagnosis ... Blooms (HABs) Skin ... filamentous fungi - Cutaneous ... - Rhizopus Leptospirosis ... - And, in rare cases