Living With

Foods to Avoid with Atrial Fibrillation

ABush Nov 12, 2013 (updated Aug 6, 2014)
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Maintaining a healthy diet is important if you've been diagnosed with atrial fibrillation, or a-fib. The key to eating well is to avoid foods that raise your heart rate and your blood pressure. 

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Caffeine
Caffeine
Caffeine is known to stimulate the body and can act as a trigger for atrial fibrillation. Since caffeine increases your heart rate, it may bring an a-fib episode or other heart arrhythmia. 
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Alcohol
Alcohol
For some people, especially women, alcohol may serve as another trigger for causing an a-fib episode. Avoid drinking more than one drink a day if you've been diagnosed with this condition. 
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Leafy greens
Leafy greens
If you're taking warfarin--a prescription blood thinner--you need to be careful about consuming leafy green vegetables. Leafy green vegetables, such as broccoli, kale, spinach, and asparagus, have high levels of vitamin K, which can interfere with how warfarin works.
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Salt
Salt
Salt raises your blood pressure, and high blood pressure increases your chance of experiencing atrial fibrillation symptoms. The American Heart Association recommends no more than 1,500 milligrams of sodium a day if you have high blood pressure.
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Tyramine
Tyramine
A recent study published in the British Heart Journal suggests that foods that contain the compound tyramine may raise your blood pressure and bring on a-fib symptoms. Foods that include tyramine include cured meats, aged cheeses, fermented cabbage and fava beans.