64 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Chain deposition disease ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
Causes of ileitis ... beyond Crohn’s disease ... See below for table ... helpful paper complements ... #Differential #Table
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
dysmorphic RBC, RBC casts ... staining (lg + complement ... MGPN • Complement ... of alternative complement ... (Dense deposit disease
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low Complement ... Idiopathic • Normal Complement ... involvement: Anti-GBM Disease
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... (Granulomatous disease ... against MPO • Complement
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... reaction, Haemolytic disease ... they activate complement ... types #allergy #table
Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
Colitis vs Crohn's Disease ... IBD Comparison Table ... colon Crohn’s Disease ... ileum • Most cases ... IBD #Comparison #Table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
identified as diseased ... correctly diagnose a case ... that any given case ... implies being able ... #Calculation #Table
Headache Differential - Primary vs Secondary
A vast number of diseases can cause a headache. We divide
vast number of diseases ... can cause a headache ... headaches are caused ... Primary #Secondary #Table
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... - Pulmonary diseases ... Central #Cardiology #Causes ... #Table #Comparison