Recommendations for quantification of Doppler echocardiography: A report from the Doppler quantification task force of the nomenclature and standards committee of the American Society of Echocardiography - ScienceDirect
Virtual Transesophageal Echocardiography
Pulsed-Wave Doppler | FUJIFILM VisualSonics
Figure, Figure.3 Pulsed wave (PW) Doppler at mitral inflow. Contributed by Intisar Ahmed] - StatPearls - NCBI Bookshelf