11 results
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
causes development ... Particular CD4+ Th cells ... harmful -> Th Cells ... macrophages, mast cells ... #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 ... Hypersensitivity #Types #Classification ... #Pathophysiology ... #Allergy #Diagnosis
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... depolarization in fast AP cells ... VaughanWilliams #Classification ... #Classes #cardiology ... #pharmacology
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
Some H1 antihistaminic Drugs in Clinical Use
1st Generation Antihistamines:
Ethanolamjnes - Carbinoxamine (Clistin), Dimenhydrinate (salt of diphenhydramine)(Dramamine),
Fexofenadine (Allegra ... antihistamines #classification ... #Pharmacology # ... classes #generation
Drug-Induced Edema
Drug-induced edema is caused by many drugs & can coincide with or worsen pre-existing peripheral
Drug-induced edema is caused ... release from mast cells ... Edema #Medication #Causes ... #Differential #Pharmacology ... #Pathophysiology
Anticonvulsants as Mood Stabilizers: Mechanism and Side-effect
Examples: Valproate, Carbamazepine, Lamotrigine
 • Mild anticholinergic effect -> Drowsiness
constipation • Allergic ... Systemic effect -> Nausea ... #SideEffects #Pathophysiology ... #Psychiatry #Pharmacology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... ++ influx into cells ... Vaughan #Williams #Pharmacology ... #Classification ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... Vaughan Williams Classification ... Antiarrhythmics #Pharmacology ... #Classification ... #Classes #pathophysiology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
retinal edema caused ... Retina • Ganglion cells ... Occlusion #CRAO #pathophysiology ... #ophthalmology