Washington University Manual of Echocardiography by Quader Nishath; Makan Majesh; Perez Julio
Author:Quader, Nishath; Makan, Majesh; Perez, Julio [Quader, Nishath; Makan, Majesh;Pérez, Julio E.]
Language: eng
Format: epub
ISBN: 5122311
Publisher: Wolters Kluwer Health
Published: 2017-02-14T16:00:00+00:00
Color Doppler
⢠Color Doppler can be misleading and can underestimate severity when there is wide open PR present.
⢠Because the pulmonary system is a relatively low pressure system, occasionally color Doppler will not demonstrate a distinct zone of flow convergence.
Figure 12-5. Transthoracic echocardiogram in parasternal short-axis view with pulsed-wave (PW) Doppler of right ventricular outflow tract (RVOT) showing presystolic forward flow (arrows) resulting from premature equalization of RV and pulmonary artery (PA) pressures in diastole. This can be seen in severe pulmonic regurgitation with premature opening of the pulmonic valve.
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