14 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Nonpalpable purpura ... , the differential ... rash, the diagnosis ... #Purpuric #Rash ... #Differential
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... - Differential ... Diagnosis Non-PalpabIe ... #nonpalpable #palpable ... #Causes #Differential
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
Causes of Purpura ... - Differential ... Diagnosis Disruption ... #nonpalpable #palpable ... #Causes #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... OF PALPABLE PURPURA ... #Differential # ... #nonpalpable #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Diagnosis Algorithm ... Rash: - Purpura ... #Differential #
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Approach to the differential ... , palpable purpura ... maculopapular rash ... vesicular rash, ... Nephrocalcinosis causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... • Petechiae, Palpable ... Maculopapular rash ... reticularis Differential ... #dermatology #rash
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... affects the skin, neurologic ... , mucositis • Rash ... • Progressive symptoms ... tract, and often causes
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
non-blanching, nonpalpable ... is usually palpable ... ecchymosis) is caused ... Diagnosis VWF ... VWF:RCo/VWF:Ag (differentiate
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... Presentation - Systemic Symptoms ... scleritis • Palpable ... Skin -> causing palpable