24 results
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
leading to an allergic ... Sensitization" to Allergen ... Initial exposure to allergen ... after clearance of allergen ... #Immunology #pathophysiology
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 ... #Immunology #pathophysiology
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
HypersensitivityReaction #Allergy ... #Immunology #pathophysiology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... , and drug allergies ... Classification #Pathophysiology ... #Allergy #Diagnosis
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
exposure to a likely allergen ... exposure to known allergen ... #Anaphylaxis #pathophysiology ... #immunology #diagnosis
Alpha-gal Syndrome (AGS) - Diagnosis Algorithm
Does patient have recurrent episodes of urticaria, angioedema or isolated GI
Syndrome (AGS) - Diagnosis ... early symptom • Ticks ... in areas with ticks ... Syndrome #AGS #Diagnosis ... #Algorithm #allergy
Asthma: immunopathogenesis. 
Allergens attach to, and are taken up by, dendritic cells that he the respiratory
interaction of the allergen ... mucus production allergic ... immunopathogenesis #Pathophysiology ... #Pulmonary
Differential Diagnosis of Pulmonary Eosinophilia
Infection:
 • Helminthic: Loffler syndrome (Ascaris, hookworm, Strongyloides), Tropical pulmonary eosinophilia (lymphatic
Differential Diagnosis ... of Pulmonary Eosinophilia ... coccidioidomycosis), Allergic ... Acute chronic pulmonary ... #Differential #Diagnosis
Anaphylaxis: Treatments (Acute)
Additional Info:
 • IV steroids may be considered for prevention of late phase reactions.
provided, as well as allergy ... Treatments #Management #pathophysiology ... #immunology
Differential Diagnosis of Wheezing
 • Extrathoracic (wheezing Is typically inspiratory): Anaphylaxis, Vocal cord pathology, Laryngeal stenosis,
Differential Diagnosis ... Churg-Strauss syndrome, Allergic ... #Differential #Diagnosis ... #Causes #pulmonary