A feeling of shortness of breath, which doctors call dyspnea,
frequently happens during arrhythmias. This symptom can be very difficult for
people to describe and may be referred to as:
Shortness of breath.
Tightness in the
Feeling tired from walking.
What causes shortness of breath?
When an arrhythmia causes the heart to beat too fast, the heart
doesn't pump effectively. Specifically, there may not be enough time between
heartbeats for the heart to fill with blood, causing blood to back up into the
lungs. The increased pressure and fluid in the lungs results in the feeling of
shortness of breath.
WebMD Medical Reference from Healthwise
August 09, 2012
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