122 results
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... • Progressive symptoms ... tract, and often causes ... vasculitis • Behcet syndrome ... vasculitis • Cogan syndrome
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... • Cogan Syndrome ... Presentation - Systemic Symptoms ... scleritis • Palpable ... Skin -> causing palpable
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal Syndromes ... • Cutaneous: palpable ... purpura 2/2 vasculitis ... or serologies + symptoms ... Goodpasture's cause
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... Diagnosis Non-PalpabIe ... → Palpable • ... BrighamChiefs #Purpura ... #Causes #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
OF NON-PALPABLE ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... CAUSES OF PALPABLE ... #rheumatology #palpable
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
Causes of Purpura ... C), Pigmented purpuric ... BrighamChiefs #Purpura ... #nonpalpable #palpable ... #Causes #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Toxic Patient: • Palpable ... Henoch Schonlein Purpura ... Rash: - Purpura ... Diagnosis #Algorithm #Causes
Causes of Small Bowel Bleeding - Differential Diagnosis
Common Causes:
 • Under age 40 years: Inflammatory Bowel
Causes of Small ... Diagnosis Common Causes ... NSAID ulcers Rare Causes ... Henoch-Schoenlein purpura ... Differential #Diagnosis #Causes
Budd Chiari Syndrome
Hepatic vein obstruction. Can be caused by thrombosis or sometimes a tumour. Can lead
Budd Chiari Syndrome ... Can be caused by ... #BuddChiari #Syndrome ... #Diagnosis #Causes ... #Signs #Symptoms
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... • Petechiae, Palpable ... purpura (16%) ... • Petechiae • Palpable ... • Goodpasture syndrome