Atrial fibrillation: Verapamil & Diltiazem
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Blocks cardiac calcium channels in slow response tissues, such as the sinus and AV nodes.
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Useful in treating AV reentrant tachyarrhythmias and in management of high ventricular rates secondary to atrial flutter or fibrillation.
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Major adverse effect (i.v. administration) is hypotension. Heart block or sinus bradycardia can also occur
Category: Pharmacology Notes
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