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Sadie Bennett, Chun Wai Wong, Timothy Griffiths, Martin Stout, Jamal Nasir Khan, Simon Duckett, Grant Heatlie, and Chun Shing Kwok

Introduction First described in 1995 ( 1 ), the Tei index, also known as a myocardial performance index, is a ratio of systolic and diastolic time intervals which can be easily obtained from Doppler echocardiography. This timing ratio

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Sadie Bennett, Arzu Cubukcu, Chun Wai Wong, Timothy Griffith, Cheryl Oxley, Diane Barker, Simon Duckett, Duwarakan Satchithananda, Ashish Patwala, Grant Heatlie, and Chun Shing Kwok

assumptions ( 10 ). In addition, subclinical cardiotoxicity is thought to begin with changes in left ventricular diastolic function with subsequent progression onto LVSD ( 11 ). Therefore, an assessment tool such as Tei index may enable subclinical

Open access

Isaac Adembesa, Adriaan Myburgh, and Justiaan Swanevelder

of myocardial performance (Tei Index) ( 8 ). Figure 9 ME 4CH showing thickened valves and dilated heart chambers. Declaration of interest The authors declare that there is no conflict of interest that could be perceived as

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Abbas Zaidi, Daniel S Knight, Daniel X Augustine, Allan Harkness, David Oxborough, Keith Pearce, Liam Ring, Shaun Robinson, Martin Stout, James Willis, Vishal Sharma, and the Education Committee of the British Society of Echocardiography

myocardial performance index (RIMP or Tei index) which is described in detail in Table 2 . RV tissue Doppler indices are less load dependent than pulsed wave inflow measurements. Table 2 Echocardiographic assessment of the right heart. View

Open access

Bushra S Rana, Shaun Robinson, Rajeevan Francis, Mark Toshner, Martin J Swaans, Sharad Agarwal, Ravi de Silva, Amer A Rana, and Petros Nihoyannopoulos

views) PLAX view AV PSAX view ≤30 mm ≤35 mm Distal RVOT (AV PSAX view) ≤27 mm RV dimensions (RV focused A4C view)  Base  Longitudinal  Mid cavity ≤41 mm ≤83 mm ≤35 mm RA dimensions RA indexed

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Peter H Waddingham, Sanjeev Bhattacharyya, Jet Van Zalen, and Guy Lloyd

Stankovic I Nesković AN . Prognostic significance of contractile reserve assessed by dobutamine-induced changes of Tei index in patients with idiopathic dilated cardiomyopathy . European Journal of Echocardiography 2010 11 264 – 270 . ( https

Open access

Kevin Emery Boczar, Olexiy Aseyev, Jeffrey Sulpher, Christopher Johnson, Ian G Burwash, Michele Turek, Susan Dent, and Girish Dwivedi

.1016/0891-5849(90)90071-P 27 Belham M Kruger A Pritchard C 2006 The Tei index identifies a differential effect on left and right ventricular function with low-dose anthracycline chemotherapy . Journal of the American Society of Echocardiography 19 206

Open access

Andrew W Appis, Melissa J Tracy, and Steven B Feinstein

as microbubbles. Therefore, UCAs markedly improve the signal-to-noise ratio for clinical ultrasound examinations ( 13 ). At higher incident pressures (mechanical index >0.3), microbubble shells are often disrupted. Therefore, it is recommended that a