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. 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.

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.

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 ...

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

Left bundle branch block: Electrical signals are delayed in the left bundle branch. Tachy brady Syndrome: Tachybrady syndrome is a combination of a fast heart rate (tachycardia) and slow heart ...

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 ...

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.” ...

Q: I recently had an ECG that showed that I have a "left bundle branch block." What does this mean? A: When your heart beats, it does so in response to electrical signals. Your heart muscle is ...

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.

Right bundle branch block (RBBB) is a conduction abnormality affecting the electrical signals in the right ventricle of the heart. This causes a delay in the contraction of the right ventricle ...

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.” ...