14 results
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 ... against MPO • Complement ... (Low levels mixed ... #rheumatology #classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low ... Complement: Post-strep ... Idiopathic • Normal Complement ... involvement: Anti-GBM Disease ... differential #diagnosis #algorithm
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Differential Diagnosis Algorithm ... Low Mean Corpuscular ... Renal Disease, Liver ... #Anemia #MCV #Classification ... Differential #Diagnosis #Algorithm
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... reaction, Haemolytic disease ... they activate complement ... types #allergy #table ... #classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
antigen, leading to complement ... during hemolytic disease ... Complement activation ... Hypersensitivity #Types #Classification ... Diagnosis #Reactions #Table
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
in >90% - Low ... complement - Rare ... complement - 50 ... Evolution: Chronic disease ... sle #comparison #table
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low ... complements and ... Classification: ... , lymphopenia, low ... RNP antibodies, Complement
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... factor level • Low ... serum C4 complement ... diagnosis #types #classification
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Ischemic heart disease ... event, follow ACC algorithm ... : - Known CV disease ... Structural heart disease ... Orthopedic • Low