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  Indian J Med Microbiol
 

Figure 1: Echocardiogram two-dimensional (2D), continuous wave (CW) and pulsed wave (PW) Doppler; four chamber view. (a): CW 3.8 m/s jet directed towards left ventricle (LV) base is shown; flow velocity is maximal in proto- and end-systole, with marked attenuation in mid-systole, accordingly with midventricular obstruction. (b) PW, sampling in the apical chamber, just apical to obstruction. High velocity systolic flow directed from apex to base is seen; flow continues well after the end of electrocardiogram (ECG) T wave (thus during electrical diastole). Base to apex flow is mostly in end diastole (arrows)

Figure 1: Echocardiogram two-dimensional (2D), continuous wave (CW) and pulsed wave (PW) Doppler; four chamber view. (a): CW 3.8 m/s jet directed towards left ventricle (LV) base is shown; flow velocity is maximal in proto- and end-systole, with marked attenuation in mid-systole, accordingly with midventricular obstruction. (b) PW, sampling in the apical chamber, just apical to obstruction. High velocity systolic flow directed from apex to base is seen; flow continues well after the end of electrocardiogram (ECG) T wave (thus during electrical diastole). Base to apex flow is mostly in end diastole (arrows)