10 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
, the differential ... or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash ... #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

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

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... , Palpable purpura ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
erythroderma, petechiae ... sulfa-drug - Skin ... #Rash #Maculopapular ... Targetoid #Algorithm #Differential ... #Ddxof
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Causes: 1) Exfoliative ... #Diagnosis #Dermatology ... #Rash #Erythroderma ... Nikolsky #Algorithm #Differential ... #Ddxof
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... OF NON-PALPABLE ... Vasculopathy #Purpura #Differential ... #nonpalpable #dermatology
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
discrete areas of skin ... non-blanching, nonpalpable ... vasculitis is usually palpable ... ecchymosis) is caused ... VWF:RCo/VWF:Ag (differentiate
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
the presence of petechiae ... - This iron causes ... brown tint of the rash ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... centrifugum • A chronic skin ... gyratum repens • A skin ... comparison #table #differential ... #diagnosis #dermatology