138 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes ... antigens, leading to complement ... they activate complement ... Post-streptococcal glomerulonephritis ... allergy #table #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Necrotizing glomerulonephritis ... , pauci-immune glomerulonephritis ... tract, and often causes ... against MPO • Complement ... #rheumatology #classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Skin ulcers - Glomerulonephritis ... Cryoglobulins Cause ... • Low serum C4 complement ... diagnosis #types #classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive Glomerulonephritis ... pathophysiologic causes ... staining): • Low Complement ... Idiopathic • Normal Complement ... Kidney: Anti-GBM Glomerulonephritis
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Membranoproliferative Glomerulonephritis ... dysmorphic RBC, RBC casts ... staining (lg + complement ... MGPN • Complement ... Membranoproliferative #Glomerulonephritis
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Membranoproliferative glomerulonephritis ... Post/pauci immune glomerulonephritis ... Hypocomplementemia #Low #Complement
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome:
 - Acute poststreptococcal 
glomerulonephritis 
 - Rapidly progressive
poststreptococcal glomerulonephritis ... Rapidly progressive glomerulonephritis ... proliferative glomerulonephritis ... Membranoproliferative glomerulonephritis ... Nephrotic #Syndromes #Classification
Spectrum of Glomerulonephritis 
Pathology - Common Diseases - Typical Presentation 

By Dr. John Roberts @John_K_Roberts

#Glomerulonephritis #Spectrum
Spectrum of Glomerulonephritis ... John_K_Roberts #Glomerulonephritis ... Diagnosis #Nephrology #Causes
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Kidney Injury - Classification ... Post-infectious glomerulonephritis ... tubular necrosis (causes ... Kidney #Injury #Classification
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... and SUN Classification ... retinal ischemia Causes ... Bartonella SUN Classification ... #SUN #Classification