237 results
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Sensitization" to Allergen ... Initial exposure to allergen ... after clearance of allergen ... Second Exposure to Allergen ... conjunctivitis • Anaphylaxis
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 ... #Diagnosis #Allergy ... #Anaphylaxis #Triggers
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... Local and systemic anaphylaxis ... , and drug allergies ... Pathophysiology #Allergy
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
Anaphylaxis Diagnostic Criteria
Anaphylaxis is highly likely when any one of the following 2 criteria are fulfilled:
1.
Anaphylaxis Diagnostic ... Criteria Anaphylaxis ... exposure to non-food allergens ... highly probable allergen ... #Criteria #allergy
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... hours - Examples: Anaphylaxis ... Hay fever, Food allergies ... , Drug allergies ... reactions #types #allergy
Stepwise approach for managing asthma in youths greater than 12 years of age and adults as
Allergen immunotherapy ... those with single allergies ... identify and treat anaphylaxis
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... Ex: Antibiotic allergies ... cephalosporin), Food allergies ... fever, Urticaria, Allergic ... Immunological Target: 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 ... Allergic reaction ... Initial exposure to allergen ... recognize antigen on allergen's
Drug Treatment of Anaphylaxis and Allergic Reactions
First-Line Therapy 
 - Epinephrine 
 - Oxygen 
 -
Drug Treatment of Anaphylaxis ... and Allergic Reactions ... Prednisone #Anaphylaxis ... #Medications #Allergy