Question

During inspiration why aortic is closed firdt then pulmonary

Answer 1

Split during both inspiration and expiration: ... The ASD creates a left to right shunt that increases the blood flow to the right side of the heart, thereby causing the pulmonary valve to close later than the aortic valve independent of inspiration/expiration

Answer 2

The ASD creates a left to right shunt that increases the blood flow to the right side of the heart, thereby causing the pulmonary valve to close later than the aortic valve independent of inspiration/expiration.

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