280 results
Henoch Schonlein Purpura 
Typically a young boy. Often occurs following upper respiratory tract infection. A systemic
A systemic vasculitis ... with IgA dominant immune ... Schonlein #Purpura #Diagnosis ... #Peds #Pediatrics
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... - Differential Diagnosis ... (LCV), Immune complex ... #Differential #Diagnosis ... #vasculitis
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Vasculitis - Break ... by large vessel vasculitis ... medium vessel vasculitis ... affected, although immune ... #Diagnosis #Rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... Non-Infectious Aortitis: • Vasculitides ... ANCA associated vasculitis ... Erdheim-Chester), Immune ... #Differential #Diagnosis
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... - Differential Diagnosis ... : • Immune Complex ... Vasculitis: - ... #differential #diagnosis
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Causes of Pediatric ... - Differential Diagnosis ... Disease • Primary Immuno-Deficiency ... #Algorithm #Causes ... #Peds #Pediatrics
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential Diagnosis ... • Others Non-lmmune ... HUS • DIC • Vasculitis ... #Algorithm #Causes
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... Immune-Mediated ... Labs/Diagnosis: ... Cryoglobulins #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Necrotizing, pauci-immune ... respiratory tracts Immune ... tract, and often causes ... Differential Diagnosis
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Diagnosis of IgA ... Vasculitis (Henoch-Schönlein ... IgA1 -dominant immune ... HenochSchonleinPurpura #HSP #Diagnosis ... #Rheumatology #Peds