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. 2020 Jan 29;27(14):1529–1538. doi: 10.1177/2047487319901060

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© The European Society of Cardiology 2020

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — ECG abnormalities at rest in 2578 master athletes > 35 years assessed applying the ECG criteria of the ESC-2005, Seattle, and International recommendations.

Red sphere: ECG findings assessed abnormal applying the three ECG sets (ESC-2005, Seattle, International); orange sphere: ECG findings assessed abnormal applying the ESC-2005 and Seattle criteria.

*The International criteria considers two or more borderline normal ECG criteria as abnormal.

AF/AFl: atrial fibrillation or flutter; AV: aortic valve; cAVB: complete AV block; LAD: left axis deviation; LBBB: complete left bundle branch block; long QT: QT-interval > 470 ms males and > 480 ms females; LVH: voltage criteria for left ventricular hypertrophy; PVB: premature ventricular beat; RAE/LAE: right and/or left atrial enlargement; RBBB: complete right bundle branch block; STD: ST-segment deviation; TWI: T-wave inversion.