15 results
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
cell surfaces causes ... antigen-surface complex ... antibody-antigen complexes ... causes development ... #Types #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
lgE causes mast-cell ... , Drug allergies ... Antigen-antibody complex ... Antigen-antibody complexes ... #classification
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Vasculitis - Break ... although immune complex ... can affect any type ... #Rheumatology #Differential ... Medium #Large #Classification
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential ... Diagnosis Algorithm ... Focal: Simple, Complex ... malformation, Aneurysm, Vasculitis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
deposit of immune complexes ... • They can cause ... Cryoglobulins Cause ... Types: • Type ... #classification
Pediatric Mouth Disorders - Differential Diagnosis Algorithm
Teeth:
 • Teething
Painful - Gastrointestinal:
 • Crohn's Disease
 • Ulcerative
Mouth Disorders - Differential ... Diagnosis Algorithm ... Sore • Herpes Simplex ... Inflammation: • Allergic ... #Causes #Peds #
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... immunofluorescence Immune Complex ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tracts Immune Complex ... tract, and often causes ... differential #diagnosis ... #rheumatology #classification
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... Diagnosis Algorithm ... insufficiency • Vasculitis ... Viral - Herpes simplex ... #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Diagnosis Algorithm ... Infection - Vasculitis ... Work Up: • Complete