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Updated: Dec 20, 2025
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Blood Flow Imaging with Ultrafast Doppler
Published on: October 14, 2020
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When echo gets in the way: physiological factors affecting Doppler data
Echo Research and Practice
|June 3, 2020
Summary
Transthoracic echocardiography (TTE) can provide cardiac insights but may yield misleading measurements. In a rare case, inaccurate TTE data led to an unnecessary transcatheter aortic valve implantation (TAVI) referral, delaying other surgeries.
Area of Science:
- Cardiology
- Medical Imaging
- Surgical Planning
Background:
- Transthoracic echocardiography (TTE) is a standard pre-operative tool for assessing cardiac function and pathology.
- Biological prosthetic aortic valves require careful pre-operative cardiac evaluation.
- Accurate echocardiographic measurements are crucial for guiding surgical decisions.
Purpose of the Study:
- To report a rare case of misleading TTE measurements.
- To highlight the potential impact of inaccurate echocardiography on surgical referrals.
- To emphasize the importance of precise measurements in pre-operative screening.
Main Methods:
- Review of a patient case referred for pre-operative TTE.
- Analysis of TTE measurements in the context of a biological prosthetic aortic valve.
- Documentation of subsequent referral for transcatheter aortic valve implantation (TAVI).
Main Results:
- The patient's TTE measurements were found to be misleading.
- Inaccurate TTE findings led to an inappropriate referral for TAVI.
- The TAVI referral delayed a planned non-cardiac surgery.
Conclusions:
- Misleading TTE measurements can have significant clinical consequences.
- Careful interpretation and validation of echocardiographic data are essential.
- Over-reliance on potentially inaccurate TTE findings can delay necessary procedures.
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