7 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... of Hypocomplementemic ... Complex Formation - Complement ... TerrierBen #Hypocomplementemic ... #HUV #Pathophysiology
Mechanisms of Cocaine induced AKI

 • Rhabdomyolysis
 • Vasculitis
 • Infarction
 • Acute interstitial nephritis
 •
AKI • Rhabdomyolysis ... • Vasculitis ... #AKI #nephrology ... #pathophysiology ... #table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... • Hydralazine-Induced ... polyarteritis, drug-induced ... against MPO • Complement
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... staining): • Low Complement ... Idiopathic • Normal Complement ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... cytokine that induces ... Activation of complement ... #HSP #IgA #Vasculitis ... HenochScholeinPurpura #Pathophysiology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
cross-linking of lgE induces ... antigen, leading to complement ... Complement activation ... Classification #Pathophysiology ... Diagnosis #Reactions #Table
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Dermatomyositis) AKI ... - Pathophysiology ... extracellular fluid into injured ... per day until stable