Premature ventricular contraction (PVC) is a type of abnormal heartbeat, or arrhythmia. It happens when the heartbeat begins in the lower, rather than the upper, heart chambers. This creates an ...
One way to slow a sudden racing heart is by performing a vagal maneuver, which can help interrupt the abnormal rhythm. Vagal maneuvers include bearing down like you are having a bowel movement, ...
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