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When echo gets in the way: physiological factors affecting Doppler data


Transthoracic echocardiography (TTE) is widely used as a pre-operative screening tool. It can provide extensive information about cardiac function and underlying pathology, which could influence decisions regarding surgery. This patient was referred for TTE as part of pre-op screening, as he had a biological prosthetic aortic valve. This was a rare case where misleading TTE measurements inadvertently led to the patient being referred for transcatheter aortic valve implantation (TAVI), which delayed non-cardiac surgery.


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Correspondence to J. Jose BSc BSE.

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Jose, J., Randall, K., Baron, J. et al. When echo gets in the way: physiological factors affecting Doppler data. Echo Res Pract 7, K11–K16 (2020).

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Key Words

  • anaemia
  • transcatheter aortic valve replacement
  • prosthetic valve
  • Doppler echocardiography
  • cardiac physiology