35 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... - CHAMPS Mnemonic ... @AnnKumfer #Hypocomplementemia ... Low #Complement #CHAMPS
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... node), high serum IgG4 ... rheumatoid factor), ± hypocomplementemia ... with increased IgG4 ... Mettler_K1000 #IgG4
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
hypereosinophilia (HE) Caused ... cytokines Common causes ... disease Rare causes ... rheumatoid arthritis, IgG4 ... Differential #Diagnosis #Causes
Aortitis - Diagnosis and Workup
Clinical History:
 - Fever, weight loss, deterioration of general health
 - Aortic
depending on the cause ... Behqet, Cogan, IgG4 ... #Differential #Causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... practices that could cause ... Quantitative IgA, IgG ... patients if the cause ... Differential #Diagnosis #Causes
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Rheumatic Diseases: IgG4 ... Related Disease (IgG4 ... (SPA) • Other Causes ... common bacterial causes ... Mycobacterial Causes
Causes of Biliary Dilatation - Differential Diagnosis
 • Physiological: ↑ Age, Cholecystectomy, Opioid dependence, Post-sphincterotomy
 •
Causes of Biliary ... secondary SC), IgG4 ... Biliary #Dilatation #causes
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
Inflammatory pseudotumor (IgG4 ... Unilateral #Bilateral #Causes
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
Causes of Severe ... Psoriatic Arthritis, IgG4 ... Differential #Diagnosis #Causes
Low Anion Gap - Various causes and mechanisms of a Low Anion Gap
 • Hypoalbuminemia (1gm
Gap - Various causes ... Bromide, Iodide • IgG ... Low #AnionGap #causes