This definition appears somewhat frequently
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Premature atrial complexes, or PACs, are the most common variety of heart arrhythmia. In fact, PACs are so common that most people will have them occasionally.
A skipping heart - technically called heart palpitations, atrial premature complexes or premature atrial complexes - actually are a fairly common phenomenon.
PACs and PVCs Premature atrial complexes (PACs) and premature ventricular complexes (PVCs) are abnormal electrical impulses arising either in the atria or the...