Spectral Doppler 

thank you for this amazing presentation

You’re amazing!!! Thanks for the lecture 🙏

Solid video. Great work.

Thanks a lot this is a very coherent presentation 👍👍

What,a power ,what amazing leacture....keep it up!!!! I Learn a Lot

Great! thank you

Great presentation

Very helpfull and great apprieciation.

Great presentation! Thank you for the clear explanation of bio -physics

Thank you 😊

Clearly explained concepts

Excellent

Please give more... discuss all cardiomyopathies with example echoes

BTW when we measure volume it authomatically comes up on most newest machines

2:51 The pressure under the wing does not increase. It's the pressure on top of the wing reduces more than under the wing and therefore the plane lifts.

Why would the size of the cylinder (LVOT) be able to tell us the stroke volume? Couldn’t you have more or less volume ejected than just the volume of the cylinder itself.

I find it difficult to get the correct angulation for the AO on right parasternal view in cats, could you give any tips?

At 15:30, couldn’t you just freeze the image and just measure the opening of the aortic valve?