Atrial ectopic beats (AEB) refers to a contraction of the upper heart chamber which occurs before it would be expected. Atrial ectopic beats are also known as premature atrial beats, premature atrial complex (PAC), or atrial extrasystole.
APCs result in a feeling that the heart has skipped a beat or that your heartbeat has briefly paused. Sometimes, APCs occur and you can't...
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