9 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Rash: - Purpura ... cryoglobulins • Skin ... #Petechiae #Rash ... #Causes #dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... may be affected (commonly ... #Dermatology #Rash ... #Petechiae #Purpura ... #Differential #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
disease or more commonly ... , Palpable purpura ... • Palpable purpura ... reticularis Differential ... #rash #diagnosis
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
the presence of petechiae ... characterized by petechiae ... brown tint of the rash ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
PETECHIAE and PURPURA ... and may be palpable ... They are most commonly ... nettle sting #Diagnosis ... #Dermatology #Skin
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
tender pulses, bruits ... deficits vascular bruits ... Nodosa: • PAN most commonly ... , mucositis • Rash ... ) • Palpable purpura
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Drug Associated (Commonly ... mucositis - Rash ... scleritis • Palpable ... tender pulses, bruis ... -> causing palpable
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Usually composed ... Erythemas #comparison #table ... #differential # ... diagnosis #dermatology ... #compared
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin ... #common #distribution