All right sided murmurs increase in intensity with inspiration but pulmonary ejection

All right sided murmurs increase in intensity with inspiration but pulmonary ejection is only acoustic event that decrease with inspiration. Sir kindly explain.

During inspiration there is increased rigjt sided blood flow… So definitely right sided murmurs intensity increases.

Whereas during inspiration. The pulmonary vessels hold back a lot of blood .

Module on added heart sounds…the fact that u knw this vital point I guess is enugb especially in this era where cardiologist himself wuld have forgotten the same