7/4/23, 12:53 AM Wide split of second heart sound Pathway Feedback Search Clinical Topics Home Findings Wide split of second heart sound Wide split of second heart sound More common causes Ventricular septal defect Less common causes Atrial septal defect Mitral regurgitation Pulmonary valve stenosis Right bundle branch block Acute pericarditis Pulmonary hypertension https://web.pathway.md/findings/recQCQoA2GsRfoxuU 1/1