7 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
peanuts), Hay fever ... Antigen-Ab immune complexes ... Dermatitis (ie. reaction ... #Allergic #Reactions ... #Types #Classification
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
cell surfaces causes ... causes development ... An allergic reaction ... #Allergic #Reactions ... #Types #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
lgE causes mast-cell ... Anaphylaxis, Hay fever ... Antigen-antibody complex ... #types #allergy ... #table #classification
Pediatric Mouth Disorders - Differential Diagnosis Algorithm
Teeth:
 • Teething
Painful - Gastrointestinal:
 • Crohn's Disease
 • Ulcerative
Differential Diagnosis Algorithm ... Sore • Herpes Simplex ... Inflammation: • Allergic ... Reaction #Mouth ... #Causes #Peds #
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
When the specific allergen ... , seasonal hay fever ... Antigen-antibody complexes ... Hypersensitivity #Types #Classification ... #Diagnosis #Reactions
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... uncharacterized fevers ... (particularly complex ... Diagnosis #Peds #EM ... #Classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tracts Immune Complex ... tract, and often causes ... disease, drug reactions ... Vasculitis: • Fevers ... #rheumatology #classification