Right bundle branch block

Definition

Disorder of the atrioventricular conduction system characterised by prolonged QRS duration (greater than or equal to 120 ms in adults, greater than 100 ms in children ages 4 to 16 years, and greater than 90 ms in children less than 4 years of age), rsr, rsR, or rSR in leads V1 or V2, S wave of greater duration than R wave (or greater than 40 ms in leads I and V6 in adults)

Inclusions

• Incomplete right bundle branch block

Index Terms