Respiratory Sinus Arrhythmia and PACs

…premature atrial tachycardia (PAT) or a supraventicular tach (SVT), as the beats are initiated from “above” the ventricles. A paroxysmal PAT or PSVT means that the burst of early beats was abrupt in onset, as well as in cessation. Much like respiratory sinus arrhythmia, PACs are usually not a problem…

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