A premature atrial contraction ... P intervals after the last normal sinus beat. When every other QRS complex is a PAC, then the rhythm is referred to as "atrial bigeminy".

To maintain sinus rhythms ... These algorithms target modification of atrial substrate and suppress AF triggers, including premature atrial contractions (PACs), believed to be a primary inducer ...

There are two types of premature beats, a premature atrial contraction in the top chamber ... Alcohol is known to send your heart’s electrical rhythm on the fritz and raise the adrenaline ...

The most frequent arrhythmias were isolated premature atrial contractions ... one patient had a persistent accelerated junctional rhythm associated with prolonged hypotension.

the P wave morphology would be different from the normal sinus P wave morphology. When every other QRS complex is a premature atrial contraction, then the rhythm is referred to as “atrial ...