Journal of the American Society of Echocardiography
Volume 22, Issue 7 , Page 859 , July 2009

Are We on the Right Way to Calculate Tau?

References 

  1. Nagueh SF, Appleton CP, Gillebert TC, Marino PN, Oh JK, Smiseth OA, et al. Recommendations for the evaluation of left ventricular diastolic function by echocardiography. J Am Soc Echocardiogr. 2009;22:107–133
  2. Scalia GM, Greenberg NL, McCarthy PM, Thomas JD, Vandervoort PM. Noninvasive assessment of the ventricular relaxation time constant in humans by Doppler echocardiography. Circulation. 1997;95:151–155
  3. Langer SF, Habazettl H, Kuebler WM, Pries AR. Estimation of the left ventricular relaxation time constant tau requires consideration of the pressure asymptote. Physiol Res. 2005;54:601–610
  4. Weiss JL, Frederiksen JW, Weisfeldt ML. Hemodynamic determinants of the time-course of fall in canine left ventricular pressure. J Clin Invest. 1976;58:751–760
  5. Bai X. Calculation of left ventricular relaxation time constant-tau in patients with mitral regurgitation by continuous-wave Doppler. Open Cardiovasc Med J. 2008;2:9–11

PII: S0894-7317(09)00488-X

doi: 10.1016/j.echo.2009.05.011

Journal of the American Society of Echocardiography
Volume 22, Issue 7 , Page 859 , July 2009

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