IBHRE CEPS 2018 Questions with Complete Solutions (Latest 2025) Class 1 Anti-Arrhythmic Mechanism - Correct Answers ✅Sodium (Na) Channel Blockers Class II Anti-Arrhythmic Mechanism - Correct Answers ✅Beta Blockers Class III Anti-Arrhythmic Mechanism - Correct Answers ✅Potassium (K) Channel Blockers Class IV Anti-Arrhythmic Mechanism - Correct Answers ✅L- Type Calcium (Ca) Channel Blocker Class Ia drugs - Correct Answers ✅-Quinidine (rarely used) -Procainamide -Disopyramide.Na Channel blockers that raise APD Class Ib drugs - Correct Answers ✅-Lidocaine -Mexiletine -Phenytoin Na Channel blockers that slightly lower APD 1 / 2
IBHRE CEPS 2018 Questions with Complete Solutions (Latest 2025) Class Ic drugs - Correct Answers ✅-Propafenone -Flecainide Na Channel blockers that don't change APD Class II Drugs - Correct Answers ✅-Propranolol -Atenolol -Esmolol -Metoprolol Beta-Blockers. (β-blockers) Class III Drugs - Correct Answers ✅-Amiodarone -Dronedarone -Sotalol -Ibutilide -Bretylium Prolong APD (K Channel Blocker) Class IV Drugs - Correct Answers ✅-Verapamil -Diltiazem
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