31 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... @AnnKumfer #Hypocomplementemia ... #Low #Complement ... CHAMPS #Mnemonic #diagnosis
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
When the specific allergen ... antigen, leading to complement ... Complement activation ... #Diagnosis #Reactions ... #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... lgE causes mast-cell ... they activate complement ... reactions #types #allergy ... #table #classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low Complement ... Idiopathic • Normal Complement ... #differential #diagnosis ... #algorithm #rheumatology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... - Differential Diagnosis ... Algorithm Extravascular ... perfringens - Complement-Mediated ... #Algorithm #Causes
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... - Differential Diagnosis ... Algorithm Reactive ... • Acne • Allergy ... #Algorithm #Causes
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
- Differential Diagnosis ... gonorrhoeae, Viral, Allergic ... #Differential #Diagnosis ... #table #causes
Pediatric Mouth Disorders - Differential Diagnosis Algorithm
Teeth:
 • Teething
Painful - Gastrointestinal:
 • Crohn's Disease
 • Ulcerative
- Differential Diagnosis ... Algorithm Teeth ... Inflammation: • Allergic ... #Differential #Diagnosis ... #Algorithm #Causes
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
Causes of ileitis ... See below for table ... helpful paper complements ... articles/PMC2914216/ #Diagnosis ... #Differential #Table
Complement 1 esterase inhibitor (C1-INH) Deficiency Testing Algorithm
INDICATIONS FOR TESTING:
 • Recurrent angioedema (without urticaria)
 •
Complement 1 esterase ... Deficiency Testing Algorithm ... ARUPLabs #C1INH #Complement ... Deficiency #Testing #Algorithm ... #allergy #diagnosis