A rate-dependent LBBB can occur at times of ... is helpful to make this distinction. The ECG strip below shows normal sinus rhythm, then atrial fibrillation with a rapid ventricular response ...

However, not only is spontaneous LBBB harmful ... in other studied parameters. AF = atrial fibrillation; AV = atrioventricular; BF = bifocal; CRT = cardiac resynchronization therapy (biventricular ...

The three irregularly irregular rhythms are atrial fibrillation ... infarction can be diagnosed on an ECG in the setting of a left bundle branch block (LBBB) on occasion using Sgarbossa criteria ...

In Friday's Health headlines, it's heart month, and we're talking about AFib, portable EKG devices, and how stress this season can be hard on the heart. In Friday's Health headlines, it's heart ...

AF = atrial fibrillation; CHF = congestive heart failure; DS = dyssynchrony; FU = follow-up; LA = left atrium; LBBB = left bundle ... blood pressure; Cath = cardiac catheterization; CO = cardiac ...