9 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
arthritis - (Reiter’s syndrome ... within 1 month of infection ... arthritis - with the skin ... like “butterfly rash ... #arthropathy #arthropathies
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... cxs identify GNR and ... - BIDMC Infectious ... Purpura #Fulminans #Skin ... #photo
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Skin Rash 40 ... colonize human skin ... difficult to culture and ... #Canimorsus #Skin ... #clinical #photo
Staphylococcal Scalded Skin Syndrome (SSSS)

A 5-year-old girl presents to the ED with a rash that started
Staphylococcal Scalded Skin ... Syndrome (SSSS) ... the ED with a rash ... upper respiratory infection ... #Clinical #Photo
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... skin of inflamed ... pitted keratolysis; and ... Indiana University Infectious ... type #clinical #photo
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... Vasculitis: • Polyarteritis ... • Goodpasture syndrome ... cell arteritis Infections ... #dermatology #rash
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Syphilis - Rash ... rashes, including tinea-mimicker ... nephrotic syndrome ... to asymptomatic infection ... granuIomas on skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
VASCULITIS: • Polyarteritis ... mucositis - Rash ... • Cogan Syndrome ... to exclude are infections ... EGPA, microscopic polyarteritis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
to exclude are infections ... VESSEL VASCULITIS: Polyarteritis ... , mucositis • Rash ... , recent viral infection ... vasculitis • Cogan syndrome