20 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 ... #TypeI #Type1 #HypersensitivityReaction ... #pathophysiology
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... Allergic reaction ... Initial exposure to allergen ... #Allergy #Immunology ... #pathophysiology
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
TypeIII #Type3 #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
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
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
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
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
#Type2 #Type2 #HypersensitivityReaction ... #Allergy #Immunology ... #pathophysiology
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
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