23 results
diagnosis differential rheumatology hematology workup management anemia classification glomerular glomerulonephritis hemolytic nephrology nephrotic pancytopenia renal agglutinin causes champs clinicopathology coccidioidomycosis
Pathophysiology of Hypocomplementemic Urticarial Vasculitis C1q/anti-C1q antibiody -> Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology of Hypocomplementemic ... Urticarial Vasculitis ... Complex Formation - Complement ... Formation -> Vasculitis ... TerrierBen #Hypocomplementemic
Causes of Hypocomplementemia - CHAMPS Mnemonic C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis H - Heavy Chain deposition
Causes of Hypocomplementemia ... Chain deposition disease ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Vasculitis and Vasculitides - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... (Granulomatous disease ... against MPO • Complement ... (Low levels mixed
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis 90%: -
- Anti-GBM Disease ... anti-GBM) 10%: - Low ... Complement Levels ... - Normal Complement ... , Behcet's Disease
Vasculitis - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions • Mononeuritis multiplex • Hematuria, proteinuria,
Systemic rheumatic diseases ... atherosclerotic disease ... most important diseases ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic
Rapidly Progressive Glomerulonephritis (RPGN) RPGN has three primary pathophysiologic causes differentiated by immunofluorescence Immune Complex Mediated (granular staining):
staining): • Low ... Complement: Post-strep ... involvement: Anti-GBM Disease ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
IgG4-Related Disease Clinical history: Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor 4 phenotypes: •
IgG4-Related Disease ... rheumatoid factor), ± hypocomplementemia ... No necrosis, No vasculitis ... IgG4 #Related #Disease
Complement Deficiency Testing Algorithm • Normal CH50 and AH50 AND High suspicion for complement deficiency •
Complement Deficiency ... Testing Algorithm ... deficiency • Low ... #Deficiency #Testing ... #Algorithm #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... Consider sickle cell disease ... cardiac valve, vasculitis ... Differential #Diagnosis #Algorithm ... workup #hematology #testing
Causes of Headache - Differential Diagnosis Algorithm Primary: Tension, Migraine, Cluster Extracranial: Medications, Sinusitis, TMJ disorder, Cervicogenic, Glaucoma,
Differential Diagnosis Algorithm ... Aneurysm, Hemorrhage, Vasculitis ... Primary, Metastatic disease ... Pseudotumor Cerebri, Low ... Diagnosis #Causes #algorithm
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