14 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... glomerulonephritis, type ... 1 (50%-80%), type ... #Low #Complement ... Mnemonic #diagnosis #differential
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... antigen, leading to complement ... Complement activation ... #Types #Classification ... Diagnosis #Reactions #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... types of hypersensitivity ... Allergen-specific lgE causes ... #allergy #table ... #classification
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... and 2, but not type ... #Diagnosis #Low ... #Potassium #Table ... #Classification
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Shock Classification ... and Differential ... Blood Loss, GI Losses ... #Differential # ... Diagnosis #Types
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Types: • Type ... factor level • Low ... serum C4 complement ... vasculitis • Hypersensitivity ... #classification
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... Carotid sinus hypersensitivity ... #Syncope #Differential ... #Table #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Urticaria and hypocomplementemia ... against MPO • Complement ... (Low levels mixed ... #rheumatology #classification
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... LV failure - Low ... Acidosis #Elevation #Differential ... #typea #typeb # ... classification