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©2013 UpToDate ® Print Email Apical four chamber view with color flow Doppler during diastole Shown is the apical four chamber view with color flow Doppler during diastole. There is physiolgic flow (tagged red) into the left ventricle (LV) that extends from the right superior pulmonary veins (RSPV) to the apex of the LV. This color signal is used to position a pulsed wave Doppler sample volume so that quantitatable signals of flow can be obtained from the pulmonary veins and from the mitral leaflet tips. RA: right atrium; RV: right ventricle.
©2013 UpToDate ® Print Email Apical four chamber view with color flow Doppler during diastole Shown is the apical four chamber view with color flow Doppler during diastole. There is physiolgic flow (tagged red) into the left ventricle (LV) that extends from the right superior pulmonary veins (RSPV) to the apex of the LV. This color signal is used to position a pulsed wave Doppler sample volume so that quantitatable signals of flow can be obtained from the pulmonary veins and from the mitral leaflet tips. RA: right atrium; RV: right ventricle. Apical four chamber view with color flow Doppler during systole The apical four chamber view with color flow Doppler was obtained from a normal subject during systole. The systolic flow signal is shown in blue, ie, flow is moving away from the transducer. This signal is used to position a pulsed wave Doppler sample volume in the left ventricular outflow tract (LVOT) so that flow characteristics can be quantitated. LV: left ventricle.