Left bundle branch block is a condition in which there’s a slowing along the electrical pathway to your heart’s left ventricle. When this happens, the electric impulse has to travel further to ...

Left bundle branch block (LBBB) is a type heart block. It results from a problem with the electrical conduction system that enables the heart to beat. It may cause no symptoms, but an ...

Left Bundle Branch Block. If your cardiologist spots LBBB on an EKG, they may run tests to figure out the cause. Unlike RBBB, left bundle blocks are more often a sign of tissue damage.

Left Bundle Branch Block. Electrical impulse in the upper chambers can be because of disruption in the regular pattern of the body. We spoke to Dr. Arun Goyal, Head of Cardiology, ...

The image below shows the typical findings of a left bundle branch block in the precordial ECG leads. Enlarge Note: If the QRS duration is 100 to 119 ms with criteria 2, 3 and 4 of the above, an ...

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.

During a median follow-up of 2.3 years, CRT-D implantation was not linked to improved outcomes vs. ICD alone in patients with right bundle branch block regardless of QRS duration. Compared with ...

Did you know that certain medications can cause symptom of 'Left Bundle Branch Block'. Find these drugs listed on the page and be warned of similar symptoms as possible side-effects.

DEAR DR. ROACH: I am a 66-year-old woman who recently had an ECG prior to my knee surgery. The interpretation I received stated that I had an abnormal ECG with a “left anterior fascicular block.” ...

A STEMI is generally defined as an Electrocardiogram (EKG) with ST elevation of greater than 1 mm in 2 or more contiguous leads. It has also been defined as a "new" Left Bundle Branch Block (LBBB ...