When Echo and Invasive Hemodynamics Disagree: Understanding the Echo,the Physiology,and the Pitfalls

St. Michael's Hospital Virtual Echo Rounds

St. Michael's Hospital Virtual Echo Rounds

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Dr. Abdullah Alfaifi
Adult Cardiology Resident, PGY-4
University of Toronto

Thursday, 17 September 2026
08:00 - 09:00 A.M. ET

Objectives:
1. Recognize when an echocardiographic hemodynamic estimate may be unreliable.
2. Explain common causes of discordance between echocardiographic and invasive hemodynamic measurements.
3. Apply a practical approach to adjudicate discordant measurements.