Strickland N H, Gibson D G
Cardiac Department, Brompton Hospital, London, U.K.
Int J Cardiol. 1988 Sep;20(3):412-5. doi: 10.1016/0167-5273(88)90299-9.
A previously unreported cause of reversed splitting of the second heart sound is described. This patient had tricuspid regurgitation which caused early closure of the pulmonary valve leading to reversed splitting. Left ventricular function and aortic valve closure were normal.