9 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Complex Formation - Complement ... Pathway Activation ... Formation -> Vasculitis ... #HUV #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 ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
the intrinsic pathway ... the extrinsic pathway ... in the common pathway ... and extrinsic pathways ... integrity == • Vasculitis
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... or alternative complement ... pathways. ... for ANCA-related vasculitis ... #workup #diagnosis
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
activation • Complement ... the classical pathway ... (see Complement ... proliferate and differentiate ... Humoral #Immunity #pathophysiology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... Diagnosis Algorithm ... cardiac valve, vasculitis ... #workup #hematology ... #testing
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
function tests algorithm ... determine choice of pathway ... decision for repeat testing ... for users of the pathway ... Liver #Enzymes #Differential
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... or alternative complement ... pathways. 6) SPEP ... for ANCA-related vasculitis ... glomerular #disease #workup
Monoclonal Gammopathy of Renal Significance (MGRS)

MGRS
• MGRS refers to kidney disease caused by nephrotoxic monoclonal immunoglobulins
Diagnostic Workup ... tubulopathy) - Complement ... pathway activation ... formation causing vasculitis