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What does PAC stand for?

PAC stands for premature atrial contractions

This definition appears somewhat frequently

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Samples in periodicals archive:

Premature Atrial Contractions (PACs) are amongst the most common forms of arrhythmias. It is due to the premature discharge of an electrical impulse in the atrium...
In the general population, 99% have premature atrial contractions, new research shows. The frequency of premature atrial contractions was related to a number of...
Premature atrial contractions (PACs) and premature ventricular contractions (PVCs) Sinus tachycardia
Fetal premature atrial contractions (FPAC's) are a type of extrasystoles that can be occasionally detected in fetal heart monitoring. They along with fetal premature...
Premature Atrial Contractions ECG. A Premature Atrial Contraction (PAC) occurs when a focus in the atrium (not the SA node), generates an action potential before the...