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

Immune Complex Mediated (granular staining):
Rapidly Progressive Glomerulonephritis ... pathophysiologic causes ... immunofluorescence Immune Complex ... #Vasculitis #differential ... #diagnosis #algorithm
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Necrotizing glomerulonephritis ... tracts Immune Complex ... Glomerulonephritis ... tract, and often causes ... #rheumatology #classification
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... Vasculopathy - HyperC: APLS ... Leukocytoclastic Vasculitis ... (LCV), Immune complex ... nonpalpable #palpable #Causes
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Differential Diagnosis Algorithm ... • Immune-complex ... Differential #Diagnosis #Algorithm ... #Causes
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Differential Diagnosis Algorithm ... Focal: Simple, Complex ... malformation, Aneurysm, Vasculitis ... #Causes #neurology
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Kidney Injury - Classification ... - Small vessel vasculitis ... Post-infectious glomerulonephritis ... tubular necrosis (causes ... Kidney #Injury #Classification
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Differential Diagnosis Algorithm ... Rapidly Progressive Glomerulonephritis ... antibodies • Immune-complex ... Differential #Diagnosis #Algorithm ... #Causes
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
rhabdo/TLS) Causes ... related) - Glomerulonephritis ... or vasculitis — ... Nephrology #Diagnosis #Algorithm ... #Causes #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Infection - Vasculitis ... Rash: - ITP - APLS ... Work Up: • Complete
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
deposit of immune complexes ... • They can cause ... Skin ulcers - Glomerulonephritis ... Cryoglobulins Cause ... diagnosis #types #classification