50 results
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Pathogenesis and clinical ... causes development ... harmful -> Th Cells ... macrophages, mast cells ... #Immunology #pathophysiology
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Pathogenesis and clinical ... plasma cells that ... complexes bind to mast cells ... • Inflammatory cells ... #Immunology #pathophysiology
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
Bell's Palsy Bell ... an identifiable cause ... The cause is unknown ... but its clinically ... neurology #anatomy #pathophysiology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... Hypersensitivity #Types #Classification ... #Pathophysiology ... #Allergy #Diagnosis
Allergic Rhinitis: Pathogenesis and clinical findings

1. Allergy Sensitization -> Antigen Exposure -> APC (macrophages, HLA class
Allergic Rhinitis ... Pathogenesis and clinical ... Allergy Sensitization ... Tissue edema #Allergic ... Rhinitis #Rhinorrhea #pathophysiology
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Pathogenesis and clinical ... self-antigens are the cause ... antigens are the cause ... HypersensitivityReaction #Allergy ... #Immunology #pathophysiology
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... Physical Exam Carles ... neurologiabr #Bells ... Phenomenon #Sign #clinical ... #PhysicalExam #ophthalmology
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Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... T-cells recruit ... reactions #types #allergy ... #table #classification
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... disease (Most common cause ... retinopathy) #Clinical ... #Ophthalmology
Some H1 antihistaminic Drugs in Clinical Use
1st Generation Antihistamines:
Ethanolamjnes - Carbinoxamine (Clistin), Dimenhydrinate (salt of diphenhydramine)(Dramamine),
antihistaminic Drugs in Clinical ... Fexofenadine (Allegra ... antihistamines #classification ... #Pharmacology #classes