Midsystolic Notch and Pulmonary Hypertension: Pathophysiologic Mechanism and Technical Considerations.
Parker MW, Gottbrecht MF, Aurigemma GP. Midsystolic Notch and Pulmonary Hypertension: Pathophysiologic Mechanism and Technical Considerations. J Am Soc Echocardiogr. 2021 06; 34(6):693-695.