14 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... Nonpalpable purpura ... , the differential ... #Diagnosis #Dermatology ... #Differential
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
DIC, Thrombotic Thrombocytopaenic ... - Idiopathic Thrombocytopaenic ... #Purpuric #Petechiae ... Algorithm #Diagnosis #Dermatology ... #Skin
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... - Differential ... Thrombocytopenia ... warfarin necrosis), Trauma ... #nonpalpable #palpable
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
- Differential ... Integrity: • Trauma ... Primary hemostasis: Thrombocytopenia ... #nonpalpable #palpable ... #Causes #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... hemostasis: - Thrombocytopenia ... integrity: - Trauma ... cryoglobulins • Skin ... Algorithm #Causes #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... - Trauma • ... #Differential # ... #nonpalpable #dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... vascular integrity (trauma ... #Diagnosis #Dermatology ... #Purpura #Palpable ... #Algorithm #Differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Findings: • Petechiae ... , Palpable purpura ... sensation or pain: • Petechiae ... • Palpable purpura ... reticularis Differential
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
discrete areas of skin ... non-blanching, nonpalpable ... is usually palpable ... The skin is flat ... VWF:RCo/VWF:Ag (differentiate
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Palpable purpura ... Tip: To differentiate ... Thrombocytopenia ... Rash #clinical #photo ... #dermatology #HSP