11 results
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Skin Rash on Physical ... cxs identify GNR and ... - BIDMC Infectious ... #Skin #Rash #clinical ... #photo
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Skin Rash 40 ... +purpuric rash → ... purpura fulminans ... difficult to culture and ... #clinical #photo
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
and Rash - Diagnostic ... Secondary syphilis, EM ... , Mycoplasma), Infective ... angiomatosis, Sweet syndrome ... #Rash #Febrile
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Upper respiratory infection ... gastrointestinal infection ... - Allergic contact
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... skin of inflamed ... dyshidrotic, atopic, or allergic ... Indiana University Infectious ... type #clinical #photo
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
to exclude are infections ... Vasculitis: • Fevers ... branches • Fever ... Coronary arteries • Fever ... , mucositis • Rash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Coronary arteries - Fever ... mucositis - Rash ... • Cogan Syndrome ... to exclude are infections ... Vasculitis: • Fevers
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
inflammatory or allergic ... o Purple or purpuric ... occur in chronic skin ... (e.g., scarlet fever ... (Tinea Manuum):
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Allergic reaction ... maculopapular rash ... Post Transfusion Purpura ... Causes purpura & ... with skin flora
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
- Allergic ... maculopapular rash ... Post Transfusion Purpura ... Causes purpura & ... with skin flora