What is the mechanism of splitting of second heart sound during inspiration?

Open 1 Answers 1322 Views Medical Academics Questions

I'm studying cardiology and having very hard time understanding things.

Your answer


Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
Please answer to the question.
To avoid this verification in future, please log in or register.

1 Answer


During inspiration, there is increased venous return to the right side of heart and also there is pooling of blood in the pulmonary veins due to its elasticity. This leads to early closure of aortic valce relative to the pulmonary valve resulting in splitting of the 2nd heart sound.

answered Jun 12, 2015 by Sulabh Shrestha Doctor of Medicine (5,553 points)