"This book is incredibly complete and easy-to-understand for anybody. I certainly recommend it for patients who want to know more about atrial fibrillation than what they will learn from doctors...."

Pierre Jaïs, M.D. Professor of Cardiology, Haut-Lévêque Hospital, Bordeaux, France

"Dear Steve, I saw a patient this morning with your book [in hand] and highlights throughout. She loves it and finds it very useful to help her in dealing with atrial fibrillation."

Dr. Wilber Su Cavanaugh Heart Center, Phoenix, AZ

"Your book [Beat Your A-Fib] is the quintessential most important guide not only for the individual experiencing atrial fibrillation and his family, but also for primary physicians, and cardiologists."

Jane-Alexandra Krehbiel, nurse, blogger and author "Rational Preparedness: A Primer to Preparedness"


"Steve Ryan's summaries of the Boston A-Fib Symposium are terrific. Steve has the ability to synthesize and communicate accurately in clear and simple terms the essence of complex subjects. This is an exceptional skill and a great service to patients with atrial fibrillation."

Dr. Jeremy Ruskin of Mass. General Hospital and Harvard Medical School

"I love your [A-fib.com] website, Patti and Steve! An excellent resource for anybody seeking credible science on atrial fibrillation plus compelling real-life stories from others living with A-Fib. Congratulations…"

Carolyn Thomas, blogger and heart attack survivor; MyHeartSisters.org

"Steve, your website was so helpful. Thank you! After two ablations I am now A-fib free. You are a great help to a lot of people, keep up the good work."

Terry Traver, former A-Fib patient

"If you want to do some research on AF go to A-Fib.com by Steve Ryan, this site was a big help to me, and helped me be free of AF."

Roy Salmon Patient, A-Fib Free; pacemakerclub.com, Sept. 2013

 FAQs Newly Diagnosed with A-Fib: Caffeine

11. “Is drinking coffee (tea, colas, other products with caffeine) going to make my A-Fib worse or trigger an A-Fib attack?”

I used to include coffee as a trigger of A-Fib. But a recent research study suggests the opposite, that coffee and caffeine in moderate to heavy doses (2-3 cups to 10 cups/day) may not trigger or induce A-Fib.

The researchers who discovered the antiarrhythmic effects of coffee (caffeine) were somewhat surprised at their findings. They had expected to find the opposite results. Caffeine is a stimulant. It makes its consumers awake and alert, and it improves performance.

Coffee (caffeine) is commonly associated with disruption of cardiac rhythm. But does research confirm this belief? Most cardiac patients tolerate normal amounts of caffeine without difficulty

The Danish Diet, Cancer, and Health Study which followed 50,000 middle-aged people for around six years, found that caffeine does not increase the risk for developing A-Fib. The daily consumption of caffeine from coffee, tea, cola, cocoa, and chocolate was quite high, as is usual in Scandinavia where people drink 2-10 cups of coffee per day. But researchers are currently unable to identify the mechanism(s) behind coffee’s potential antiarrhythmic effect.

The important question is, how does coffee (caffeine) affect you personally?

If you drink a cup of coffee and then have an A-Fib attack, you may have to stop drinking coffee. But for others, a blanket prohibition against drinking coffee probably isn’t justified by current research. In fact, coffee (caffeine) may have antiarrhythmic effects.

Advice from contributor ‘Allan’, cured of Persistent A-Fib after two ablations at Bordeaux, writes:

“I tried many different things both mainstream and alternative to get relief from A-Fib. I also observed and noted triggers with a great deal of intensity, so I feel compelled to comment on the latest post regarding the positive effects of Coffee/Caffeine. I never had anything other than bad effects from coffee on my A-Fib. Coffee/caffeine was a significant trigger for me…even in very small doses. So I guess my story underscores the complexity of triggers/suppressants across the general population. I do hope people reading that report don’t go out and dose up on coffee. We all know that coffee will make our hearts go faster, which is probably not good.”

Thanks to contributor Karl for calling our attention to these articles.

Last updated: Wednesday, July 15, 2015

Go back to FAQ for the Newly Diagnosed A-Fib Patient

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