The Physics of echocardiography; How I learned to love AS

Fotis Katsikeris MD

September 16, 2021

Objectives:

1. Outline how ultrasound waves are created and used for US imaging
2. Discuss the physics and the relationship between pressure and flow
3. Outline the basic principles of measuring peak and mean pressures by echo
4. Outline the mathematical principles of the continuity equation to assess for valve area
5. Brief discussion about the discrepancies between cath and echo in the evaluation of AS