13 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

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

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... PURPURA: Platelet ... Acute Infectious Purpura ... PURPURA: Vasculitis ... /HSP • Cryoglobulinemia
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Palpable purpura ... Tip: To differentiate ... Thrombocytopenia ... vs Vasculitis purpura ... Palpable = vasculitis
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Palpable Purpura ... Henoch Schonlein Purpura ... (HSP, IgA Vasculitis ... #Purpura #Henoch ... #clinical #photo
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... Vessel: Petechiae, Palpable ... purpura, Hemorrhagic ... : - Ig A (HSP) ... #rheumatology #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... hemostasis: - Thrombocytopenia ... Infection - Vasculitis ... Henoch Schonlein Purpura ... Rash: - Purpura
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Henoch-Schönlein Purpura ... - Symmetric palpable ... purpura mainly ... HenochSchonleinPurpura #HSP ... #Rheumatology #Peds
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... : • Purpura, ischemic ... purpura: Strong ... purpura, joint ... ) • Palpable purpura