Learn the principles of Doppler ultrasound in this 20-minute screencast from Dr. Katie Wiskar. This tutorial covers basic ultrasound physics, different Doppler modes, and multiple examples from various POCUS applications.
Tutorial on aortic stenosis vs sclerosis: https://westernsono.ca/aortic-stenosis-vs-sclerosis/
Tutorial on transcranial Doppler: https://westernsono.ca/screencasts/miscellaneous/trans-cranial-doppler-tcd/
Tutorial on calculating stroke volume using LVOT VTI: https://westernsono.ca/screencasts/echo/stroke-volume-determination/