12 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 ... causes differentiated ... 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 ... discern these causes
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... Through 2 Different Pathways ... • Low serum C4 complement ... • Vasculitis
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Disease, PRES Pathophysiology ... autoantibodies that will cause ... • Inflammatory Pathway ... cyclophosphamide • Ischemic Pathway ... cerebritis #diagnosis #management
Recommended initial testing for patients being evaluated for glomerular disease 

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

Vitamin C is required for hydroxylation of proline residues
Diagnosis and Management ... , or any other cause ... Hypersensitivity vasculitis ... #AscorbicAcid #Pathophysiology ... Nutrition #Diagnosis #Management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Diagnosis and Management ... Lung Abscess Pathophysiology ... Putrid sputum/sour-tasting ... Diagnosis: • Vasculitis ... #differential #causes
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
and Hypoxia - Pathophysiology ... Rapoport-Leubering pathway ... Phosphate is a cause ... renal phosphorus wasting ... respiratory #hypoxia #pathophysiology