11 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
trauma, infection, vasculitis ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Differential # ... Ddxof
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Skin Lesions - Differential ... Diagnosis Algorithm ... • Acquired - Vasculitis ... #Vascular #Vasculitis ... #SkinRash #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... - Differential ... mucositis - Rash ... diminished, or tender pulses ... #rheumatology #
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Legs / Feet - Differential ... Diagnosis Algorithm ... insufficiency • Vasculitis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Diagnosis Algorithm ... insufficiency • Vasculitis ... • Bleomycin Hematologic ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
petechial or purpuric rash ... lesions may have a vasculitis ... as autoimmune vasculitis ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Infection - Vasculitis ... - Autoimmune Vasculitis ... #Differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... < 30 years • Aorta ... claudication, pulse ... Arteritis): • Aorta ... , mucositis • Rash
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
Leukocytoclastic Vasculitis ... diffuse palpable rash ... Differential for ... HSP, urticarial vasculitis ... Leukocytoclastic #Vasculitis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... of necrotizing vasculitis ... Erythemas #comparison #table ... #differential # ... diagnosis #dermatology