Question 155 · LEK · Intraventricular blocks
Indicate the false statement concerning right bundle branch block (RBBB):
- A. width of QRS complex is > 120 ms.
- B. QRS complex displays rsR’ pattern in leads V1-V2.
- C. RBBB is accompanied by a splitting of the first heart sound.
- D. it may accompany ischemic heart disease.
- E. is an absolute indication for pacemaker implantation.
Hint
Consider whether isolated RBBB by itself impairs AV conduction enough to require pacing.
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