verapamil

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verapamil

 [vĕ-rap´ah-mil]
a calcium channel blocking agent used as the hydrochloride salt as a coronary vasodilator in the treatment of angina pectoris and of hypertension and the treatment and prophylaxis of supraventricular tachyarrhythmias.

verapamil

(və-răp′ə-mĭl′)
n.
A calcium channel blocker drug, C27H38N2O4, that acts as a coronary vasodilator and is used in its hydrochloride form to treat hypertension and certain cardiac arrhythmias.

verapamil

Cardiology A CCB antiarrhythmic that slows transmission of impulses across the AV node and supresses the sinus node's intrinsic rhythm Indications Tachycardial supraventricular arrhythmias–eg, paroxysmal supraventricular tachycardia, A Fib with tachyarrhythmias, atrial flutter with rapid conduction, and is the parenteral emergency drug of choice Adverse effects Constipation, slowed AV conduction and sinus node automaticity, peripheral edema; it is a standard agent for managing HTN, especially in Pts with angina; it improves pain linked to obstructive cardiomyopathy, and prevents migraines Contraindications Severe left ventricular dysfunction, hypotension, sick sinus syndrome, 2º or 3º AV block, WPW, heart failure, or in Pts with accessory bypass tracts, WPW syndrome, peripheral edema; caution in renal failure. See Calcium channel blocker, Therapeutic drug monitoring. Cf Beta blocker.

verapamil

A calcium channel blocker drug used to correct irregularities in the heart beat. There is evidence that verapamil and other calcium channel blockers are anti-atherogenic and can prevent recurrent narrowing of arteries, such as the coronary arteries after these have been widened by CORONARY ANGIOPLASTY. The drug is on the WHO official list. Brand names are Cordilox, Securon, Univer and Vertab SR. Formulated with trandolapril it is marketed as Tarka.