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Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... Nonpalpable purpura ... or purpuric rash ... #Purpuric #Rash ... #Algorithm #Nonpalpable
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Purpura - Endocarditis ... Rash: - Purpura ... #Petechiae #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... , Palpable purpura ... • Palpable purpura ... Vesicles overlying purpuric ... purpura • Mixed
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
- Petechiae < ... cm diameter - Purpura ... cm diameter - Ecchymosis ... #SkinRash #dermatology ... #causes
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
, nonpalpable, and ... areas of the body Purpura ... Purpura due to vasculitis ... Wet purpura is the ... #Purpura #Bruise
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... : • Purpura, ischemic ... purpura: Strong ... Purpura (IgA Vasculitis ... ) • Palpable purpura
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: • Purpura, ischemic ... Purpura (IgA vasculitis ... erythematous nodules, purpura ... purpura: strong ... purpura.