5 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
peanuts), Hay fever ... reaction, Myasthenia Gravis ... , Graves' Disease ... Antigen-Ab immune complexes ... #Types #Classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
, seasonal hay fever ... , food allergies ... cellular antigen, leading ... Antigen-antibody complexes ... #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Anaphylaxis, Hay fever ... cell antigens, leading ... Antigen-antibody complex ... Antigen-antibody complexes ... #classification
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
Consider BCx, CSF evaluation ... hypoxemia) or rales ... (particularly complex ... Diagnosis #Peds #EM ... #Classification
Allergic Bronchopulmonary Aspergillosis (ABPA)
WHAT IS IT?
Hypersensitivity response to Aspergillus fumigatus in the airways
 • Primarily affects
Allergic Bronchopulmonary ... plugs • Low grade ... fever, malaise, ... ON LABORATORY EVALUATION ... • Immediate type-skin