Caffeine-heart study: Caffeine Heartbeats
Published: January 27, 2016
Caffeine-heart study: Caffeine Heartbeats, According to the University of California-San Francisco (UCSF) researchers, whose work is published in the Journal of the American Heart Association, theirs is the largest study to assess the relation between dietary patterns and extra heartbeats.
They note that excessive premature atrial contractions (PACs) – which feel like the heart has skipped a beat and start in the upper chambers of the heart – have been shown to result in atrial fibrillation, stroke and death.
Likewise, excessive premature ventricular contractions (PVCs) – which start in the lower chambers of the heart – can result in increased heart failure, coronary artery disease and death.
Although previous studies have linked both types of premature contractions to caffeine consumption, the researchers say such studies were conducted several decades ago and did not use PACs or PVCs as a primary outcome.
As a result of such studies, the American Heart Association (AHA) guidelines regarding PVCs say that if a patient has a history of premature extra heartbeats, they should eliminate factors that could potentially aggravate the condition – including caffeine, alcohol and nicotine.
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