6 results
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
plasma cells that ... complexes bind to mast cells ... • Inflammatory cells ... Complications: • Acute Asthma ... #Immunology #pathophysiology
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Allergic reaction ... Particular CD4+ Th cells ... harmful -> Th Cells ... macrophages, mast cells ... #Immunology #pathophysiology
Asthma: immunopathogenesis. 
Allergens attach to, and are taken up by, dendritic cells that he the respiratory
Asthma: immunopathogenesis ... interaction of the allergen ... mucus production allergic ... asthma. ... #Pathophysiology
Inflammatory mechanism of asthma. 
Airway epithelial cells exposed to activation stimuli, including allergens, viruses, and irritants,
Inflammatory mechanism of asthma ... Airway epithelial cells ... These T cells then ... #asthma #pathophysiology ... #inflammatory #immunology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... Eosinophilia, 500-1,500 cells ... common causes are asthma ... , allergy, drug ... Eosinophil #Disorders #Algorithm
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
surfaces of body cells ... body cell -> B-Cells ... foreign -> B-cells ... HypersensitivityReaction #Allergy ... #Immunology #pathophysiology