Respiratory Sinus Arrhythmia and PACs

PAC is generated in the atria, so it looks like a normal heartbeat. The P wave may appear different if the PAC came from outside the SA node. A PAC will cause the atrium (one of the two top chambers of the heart) to contract prematurely—before the next heartbeat was due. As with all early beats, PACs

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More Good News About Chocolate and Your Heart

Many of you may recall that I’ve long advocated dark chocolate, eaten in moderation of course. It can have a very positive effect on your heart health. Now, two new studies have cited even more chocolate-specific health perks for your heart. The first big news? Eating dark chocolate (which is 65%…

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