MCQ MAHE 2000 Pharmacology Answer 10
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Amiodarone
- Antiarrhythmic Agent Class III
- Prolongs duration of action potential and effective refractory period
- noncompetitive alpha and beta adrenergic inhibition
- Increases PR and QT intervals, decreases sinus rate and peripheral vascular resistance
Severe VT, SVT,A-Fib, VF not controlled by first-line agents and cardiac arrest
Contraindications
- Lactation
- 2nd and 3rd degree AV block
- Severe sinus node dysfunction
- Bradycardia
- Hypersensitivity
- Neonates and infants
Calcium channel blockers that affect the AV node (including verapamil and diltiazem) are considered harmful when given to patients with atrial fibrillation or atrial flutter associated with known pre-excitation (Wolff-Parkinson-White [WPW]) syndrome.
Tags: MCQ, Pharmacology, AntiArrythmics
Category: MAHE 2000 MCQs
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