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Are My AFib and Shortness of Breath Related?

Jun 23, 2015
  • Medical Information
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Sleep Apnea and Heart Conditions

Risk of Heart Failure

Although AFib doesn’t raise your risk of heart attack, sleep apnea does. One recent study reports that up to 75% of heart failure patients have what’s known as “sleep-disordered breathing,” and another study found that 91% of people that had a nighttime heart attack also had sleep apnea.

Even if your Afib has not yet led to heart failure, your low blood oxygen levels can lead to sleep apnea, and that can leave you vulnerable to serious cardiac events.

The good news is that, since sleep apnea so often occurs alongside AFib, treating one condition can help control the other. The first step is a sleep study, where doctors can determine your respiratory habits during sleep. If it turns out that you are experiencing either type of sleep apnea, you can begin to treat it right away with a CPAP machine, lifestyle changes, or any other approaches that your doctor recommends.

How Panic Attacks Interfere With Breathing

For many people, AFib and panic attacks go hand in hand, and sometimes it can be difficult to tell them apart. A racing heartbeat, sweating, light-headedness and a general feeling of doom are frightening – but common – symptoms of a panic attack, and they could trigger an AFib attack.

Alternatively, your AFib could bring on a bout of anxiety, and that can trigger a panic attack. In either case, your body’s anxious response could lead you to hyperventilate (breathe too deeply, too fast).

If you live with Afib and are prone to panic attacks, you should learn how to calm your breathing in case you begin to hyperventilate. The key is to restore the balance of oxygen and carbon dioxide in your body, and a few techniques can accomplish this:

  • Holding your breath for 10 to 15 seconds. This will help dissipate the carbon dioxide, bringing it back to normal levels. You may have to repeat this a few times before you can overcome the hyperventilation episode.
  • Breathing in and out of a paper bag. When you inhale the air you’ve just exhaled, you’re bringing in carbon dioxide to counter the over-abundance of oxygen that’s making you hyperventilate.
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  • Vigorous exercise. Not everyone with AFib will prefer this method (some patients find that exercise triggers an AFib episode), but a brisk walk, short jog, or even a set of jumping jacks can reset your breathing pattern relatively quickly.

Stress is a trigger for so many conditions, and one of your biggest enemies if you suffer from AFib. Exercise happens to be one of the best ways to deal with stress, not to mention a direct route to lower blood pressure and less arterial plaque (major players in AFib complications). The resulting weight loss can even take care of your sleep apnea, or at least lessen the severity.

Finally, regular exercise will strengthen the heart and improve your lung function, which should help you counter an array of AFib risks and symptoms. If you haven’t already begun a regular exercise routine, talk to your doctor about the best activities to strengthen your heart and lungs.

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Angela Finlay
Angela is a freelance writer and blogger committed to learning, understanding and communicating about the matters that affect daily life. From fitness and lifestyle, pregnancy and medical ailments, she has covered a range of health topics throughout her web writing career, contributing to major websites for over three years.
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