178 results
Complement Pathways
- Classical Pathway
- Lectin Pathway
- Alternative Pathway

#Complement #Pathway #hematology #pathophysiology
Complement Pathways ... Alternative Pathway #Complement ... Pathway #hematology #pathophysiology
Overview of the Complement System - Classical and Alternative Pathways

by Dr.Grace Leo @gracie_leo

#Complement #System #Classical #Alternative
Overview of the Complement ... gracie_leo #Complement ... Alternative #Pathways #Pathophysiology
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 ... involvement: Anti-GBM Disease
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
staining (lg + complement ... MGPN • Complement ... of alternative complement ... (Dense deposit disease ... MPGN without complement
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Complex Formation - Complement ... Vasculitis #HUV #Pathophysiology
C5-C9 Deficiency - Pathogenesis and Clinical Findings
Note:
 • Risk of invasive meningococcal disease is 1000-10000x higher
meningococcal disease ... is rare Normal complement ... response: The complement ... activation -> Complement ... #pathophysiology
Inflammatory Cascade: Pathogenesis and Clinical Findings
Continued Innate Immunity
 • Phagocytosis: (main mechanism) neutrophils and macrophages engulf
dead tissue • Complement ... activation of complement ... #Inflammation #pathophysiology
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Vasculitis - Anti-GBM Disease ... anti-GBM) 10%: - Low Complement ... Vasculitis - Normal Complement ... Vasculitis, Behcet's Disease ... , mitral valve disease
Pathophysiology - Pathogenesis of Chronic Kidney Disease

#Pathophysiology #Nephrology #Chronic #Kidney #Disease #CKD
Pathophysiology ... Chronic Kidney Disease ... #Pathophysiology ... Chronic #Kidney #Disease
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Effect of Selected Diseases ... on Complement Levels ... ThePeanutKidney #Complement