... by assessing the time integral velocity of blood flow at the RVOT (TVIrvot): Location: left side of sternum, short axis, using pulsed Doppler • Assessment of PVR with cardiac Doppler ultrasound: ... symptoms and Doppler echocardiography with time 3.5.1 Changes of functional symptoms (Table 3.32) Most cases improved their NYHA into level I, only 0.5% remain at NYHA IV 3.5.2 Changes of Doppler ... Changes of Doppler echocardiography parameters with time (Table 3.33) Table 3.33 Doppler echocardiography pre and post PTMC, with follow-up time Remarks : During consecutive months to PTMC, MVA,...