When a left bundle branch block appears on an ECG, the next step is usually an echocardiogram. This noninvasive imaging test shows whether the heart structure looks normal.

2. Left bundle branch block 3. Premature ventricular contractions At times it can be difficult to distinguish "SVT with aberrancy" from ventricular tachycardia.

New Left Bundle Block Fairly Common with Sapien New-onset left bundle block was seen in 61 patients (30.2%), 57 on the first ECG after the procedure and 4 more within a mean 24 ± 17 hours. An ECG at ...

(HealthDay)—Left bundle branch block (LBBB) is associated with a smaller degree of left ventricular ejection fraction (LVEF) improvement compared with other QRS morphologies, according to a ...

The specific parameters measured included: heart rate and rhythm; the measured intervals of PR, QRS, QT, and corrected QT; as well as morphology assessment (presence of left bundle branch block ...

CORRECTING and REPLACING Heart Rhythm Case Reports Publishes Notable Case Detailing First Use of AI-Guided ECG Mapping for Left Bundle Branch Area Pacing Case Report Demonstrates How vMap Enhances ...

This ECG shows atrial fibrillation with an uncontrolled ventricular rate. There are two QRS complexes that become wide in a right bundle branch block pattern. This can occur at fast heart rates ...