1001 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
When the specific allergen ... Local and systemic anaphylaxis ... hay fever, food allergies ... , and drug allergies ... Diagnosis #Reactions #Table
Triggers of Anaphylaxis

Anaphylaxis is a systemic response to a specific allergen, usually occurring within one hour
Triggers of Anaphylaxis ... Anaphylaxis is ... to a specific allergen ... and medications (Table ... Diagnosis #Allergy #Anaphylaxis
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... hours - Examples: Anaphylaxis ... Hay fever, Food allergies ... , Drug allergies ... types #allergy #table
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
bind to harmless allergens ... Sensitization" to Allergen ... Initial exposure to allergen ... after clearance of allergen ... conjunctivitis • Anaphylaxis
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Anaphylaxis: Signs ... and Symptoms Anaphylaxis ... exposure to a likely allergen ... exposure to known allergen ... Angioedema #Anaphylaxis
Causes of Urticaria

Immunoglobulin E (IgE) mediated

 - Aeroallergens

 - Contact allergen

 - Food allergens

 - Insect
Aeroallergens - Contact allergen ... - Food allergens ... mediated - Contact allergen
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... development of allergen-specific ... Initial exposure to allergen ... recognize antigen on allergen's
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... Ex: Antibiotic allergies ... cephalosporin), Food allergies ... Immunological Target: Allergen
Drug Treatment of Anaphylaxis and Allergic Reactions
First-Line Therapy 
 - Epinephrine 
 - Oxygen 
 -
Drug Treatment of Anaphylaxis ... Prednisone #Anaphylaxis ... #Pharmacology #Table
Asthma: immunopathogenesis. 
Allergens attach to, and are taken up by, dendritic cells that he the respiratory
Allergens attach ... interaction of the allergen ... degranulate when the allergens