Effects of Prolonged Exercise on Left Ventricular Mechanical Synchrony in Long- Distance Runners: Importance of Previous Exposure to Endurance Races  Anders Sahlén, MD, PhD, MRCP, Kambiz Shahgaldi, BSc, Anna Aminoff, MSc, Philip Aagaard, BSc, Aristomenis Manouras, MD, Reidar Winter, MD, PhD, Ewa Ehrenborg, MD, PhD, Frieder Braunschweig, MD, PhD, FESC  Journal of the American Society of Echocardiography  Volume 23, Issue 9, Pages 977-984 (September 2010) DOI: 10.1016/j.echo.2010.06.030 Copyright © 2010 American Society of Echocardiography Terms and Conditions

Figure 1 Echocardiographic analysis of tissue velocities using color-coded tissue Doppler. Journal of the American Society of Echocardiography 2010 23, 977-984DOI: (10.1016/j.echo.2010.06.030) Copyright © 2010 American Society of Echocardiography Terms and Conditions

Figure 2 Increased intra-LV dyssynchrony in long-distance runners with postrace elevations of TnT. Journal of the American Society of Echocardiography 2010 23, 977-984DOI: (10.1016/j.echo.2010.06.030) Copyright © 2010 American Society of Echocardiography Terms and Conditions

Figure 3 Greater intra-LV dyssynchrony seen 24 hours after the race in long-distance runners carrying the ACE D allele. ∗P < .05 vs DD. Journal of the American Society of Echocardiography 2010 23, 977-984DOI: (10.1016/j.echo.2010.06.030) Copyright © 2010 American Society of Echocardiography Terms and Conditions