When every other QRS complex is a premature atrial contraction, then the rhythm is ... thinking that sinus bradycardia is present, because every other beat is a nonconducted PAC, and the QRS ...

sinus rhythm, bradycardia, atrial flutter, tachycardia, and sinus with premature atrial contraction (PAC) or premature ventricular contraction (PVC). HeartBeam submitted the application based on ...