7 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
/ Purpuric Rash ... Disseminated Gonococcal Infection ... Endocarditis, Henoch-SchönIein ... - Autoimmune Vasculitis ... #Dermatology #Skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - RMSF - Henoch ... Schonlein Purpura ... cryoglobulins • Skin ... #Petechiae #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Findings: • Petechiae ... Maculopapular rash ... polyangiitis • EGPA • Henoch-Schönlein ... #dermatology #rash
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... , hence the name ... skin of inflamed ... type #clinical #photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often present • Henoch ... Schonlein Purpura ... tract, and often causes ... mucositis - Rash ... to exclude are infections
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
to exclude are infections ... , mucositis • Rash ... often present) Henoch ... Schonlein Purpura ... tract, and often causes
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
inflammation (vasculitis ... occur in chronic skin ... Seen in systemic causes ... disease. 6 Causes ... (Tinea Manuum):