A premature atrial contraction (PAC) occurs when a focus in the atrium (not the SA node), generates an action potential before the next scheduled SA node action potential. When this occurs prior to ...
Patients with Wolff-Parkinson-White syndrome have an “accessory pathway” or a “bypass tract” that connects the electrical system of the atria directly to the ventricles, thereby allowing conduction to ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback