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Calcium Channel Blocker

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October 14, 2019
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Catheter ablation for AF: Debate continues over benefit

The debate on the use of catheter ablation in patients with atrial fibrillation has intensified among cardiologists after results of the anticipated CABANA trial demonstrated that the procedure conferred better outcomes in patients with AF compared with medical therapy in per-protocol and on-treatment analyses, but not in an intention-to-treat analysis.

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Calcium Channel Blockers Topic Review

Calcium channel blockers are a group of medications that act to inhibit either central or peripheral calcium channels. This results in decreased calcium influx and smooth muscle relaxation.

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Preload

Preload is the force driving blood into the heart that acts to stretch the ventricles.

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