17 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... @AnnKumfer #Hypocomplementemia ... #Low #Complement ... Mnemonic #diagnosis #differential
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Selected Diseases on Complement ... Levels - C3, C4 • SLE ... • Infection eg SBE ... ThePeanutKidney #Complement ... Levels #C3 #C4 #differential
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Syndromes and Mimics - Differential ... anti-GBM) 10%: - Low Complement ... Levels: SLE, Cryoglobulinemic ... Vasculitis - Normal Complement ... Syndromes #Mimics #Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... vasculitis, and SLE
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
activation • Complement ... tagged with C3 complement ... classical pathway (see ... Complement Activation ... proliferate and differentiate
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on POCUS ... Differential/diagnosis ... See thread for POCUS ... POCUS (apical window ... Pulmonary #Embolism #POCUS
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
See below for table ... helpful paper complements ... #GI #Ileitis #Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... permanent alopecia Differential ... RNP antibodies, Complement ... : Drug induced SLE ... SSA can rule in SLE
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... diseases, such as SLE ... Elevated AST ALT • Hypocomplementemia ... Vasculitis) • Hypocomplementemic
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... again we might see ... / hypoxemia -> focus ... Acidosis #Elevation #Differential