What is right ventricular conduction delay?

What is right ventricular conduction delay?

The signals from the sinoatrial node reach the ventricles through the atrioventricular node via the bundle of His and its branches. The right bundle branch taking signals to the right ventricle can often have a conduction delay and the manifestation on ECG is called right bundle branch block (RBBB). It has a characteristic pattern on the ECG with an rSR’ pattern in the lead V1. Right bundle branch block can exist in the absence of any other significant heart disease and may not do much harm by itself. Right ventricular conduction delay can also be there in conditions in which the right ventricle is enlarged as in case of atrial septal defect (ASD).