VERAPAMIL (Isoptin, Calan) Flashcards
VERAPAMIL (Isoptin, Calan)
Name/Class: VERAPAMIL (Isoptin, Calan)/Calcium Channel Blocker
Description: Verapamil is a calcium channel blocker that slows AV conduction, suppresses reentry dysrhythmiassuch as PSVT, and slows ventricular responses to atrial tachydysrhythmias. Verapamil also dilates coronary arteries and reduces myocardial oxygen demand.
Indications: PSVT refractory to adenosine, atrial flutter, and atrial fibrillation with rapid ventricular response.
Contraindications: Severe hypotension, cardiogenic shock, 2nd- or 3rd-degree heart block, CHF, sinus node disease, and accessory AV pathways, WPW syndrome. It should not be administered to persons taking beta blockers.
Precautions: MI with coronary artery occlusion, or myocardial stenosis.
Dosage/Route: 2.5 to 5 mg IV bolus over 2 to 3 min, then 5 to 10 mg after 15 to 30 min to a max of 30 mg in 30 min