Atrial flutter is a type of abnormal heart rhythm, or arrhythmia . It occurs when a short circuit in the heart causes the upper chambers (atria) to pump very rapidly.
Read moreWhat does butterflies in heart mean?
Anxiety or stress is the root of most chest butterflies —also referred to as heart palpitations—and they can stimulate a surge of adrenaline in the body. The adrenaline rush then produces a faster and stronger than normal heartbeat. That’s when you get the feeling of a butterfly or flutter in the chest.
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