The ECG criteria for a right bundle branch block include the following: QRS duration greater than 120 milliseconds; rsR’ “bunny ear” pattern in the anterior precordial leads (leads V1-V3) ...

Bundle branch blocks are abnormalities of the heart’s conduction system that show up an electrocardiogram (ECG), which is a tracing of the electrical activity in the heart.

Right Bundle Branch Block This is the most common type. If your cardiologist (a heart doctor) spots RBBB through a test called an electrocardiogram ( EKG ), they may look for underlying heart or ...

Intermittent right bundle branch block - rate dependent This ECG shows atrial fibrillation with an uncontrolled ventricular rate. There are two QRS complexes that become wide in a right bundle ...

Right bundle branch block is a conduction abnormality with the heart that can result in an abnormal heart rhythm. ... (ECG), a test that evaluates the heart’s electrical activity.

DEAR DR. ROACH: I am a 63-year-old male who, during a routine EKG, showed a left bundle branch block. Can you tell me anything about this diagnosis, what it means, any treatment, future concerns ...

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.

QUEBEC, QC — A new study shows that patients who harbor preexisting right bundle branch block ... (50% male; mean age 82 years), of which one in 10 had RBBB on baseline ECG. Most ...

A right (please note, E.C.) bundle branch block is not a major risk for serious heart disease if there are no associated problems like high blood cholesterol, high blood pressure or diabetes.

After viewing my EKG, ... Bundle-branch block is an intraventricular conduction defect, ... Research has shown that if a person has right bundle block and no other evidence of heart disease, ...

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 ...