28 results
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 ... Glomerulonephritis #Vasculitis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... When to Consider Vasculitis ... SMALL VESSEL VASCULITIS ... tract, and often causes ... against MPO • Complement
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... • Low serum C4 complement ... • IgA vasculitis ... • Vasculitis
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... Activation of complement ... Leukocytoclastic vasculitis ... periumbilical region), nausea ... #HSP #IgA #Vasculitis
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Hyperemia Spasm • Vasculitis ... Air Embolism • Vasculitis ... Vascular #JointPain #MSK ... #Orthopedics #Causes
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
Causes of ileitis ... spondyloarthropathies, vasculitides ... helpful paper complements
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
AKI) What to ask ... rhabdo/TLS) Causes ... Glomerulonephritis or vasculitis ... Diagnosis #Algorithm #Causes
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
or alternative complement ... infections are common causes ... for ANCA-related vasculitis
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
nonimmune hemolysis MSK ... capillaritis, cutaneous vasculitis ... , or any other cause ... Hypersensitivity vasculitis
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
or alternative complement ... infections are common causes ... for ANCA-related vasculitis