11 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive Glomerulonephritis ... pathophysiologic causes ... Complement: Post-strep GN ... , Lupus Nephritis ... diagnosis #algorithm #rheumatology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... INTRINSINC RENAL Glomerulonephritides ... (GN) • Primary ... Post-infectious GN ... , Lupus Acute Tubular
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Membranoproliferative glomerulonephritis ... Post/pauci immune glomerulonephritis ... S - Systemic Lupus ... #differential #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... tract, and often causes ... inflammation Others: • Lupus ... such as systemic lupus ... differential #diagnosis #rheumatology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... • Epstein-Barr Virus ... Destruction • Systemic Lupus ... Diagnosis #Algorithm #Causes ... #Hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... cases, drug-dependent ... Discontinuation of causal ... sle #comparison #table ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, pauci-immune glomerulonephritis ... Complex Vasculitis (Glomerulonephritis ... tract, and often causes ... Mononeuropathy, Glomerulonephritis ... Differential #Diagnosis #Rheumatology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... Post-streptococcal glomerulonephritis ... , Systemic lupus ... types #allergy #table
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
associated with rheumatologic ... presentation of systemic lupus ... life-threatening causes ... Presentation #comparison #Table
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Skin ulcers - Glomerulonephritis ... Cryoglobulins Cause ... (e.g. systemic lupus ... classification #rheumatology