The athlete’s heart: HRmax, ECG and echocardiography.

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Abstract

The article discusses the model of the "ideal" or "proper" ECG depending on the periods and phases of the cardiac cycle in accordance with EchoCG data. Purpose of the study. To develop a model of an "ideal" or "proper" ECG to describe the periods and phases of the cardiac cycle from resting heart rate to heart rate max. Results. The duration of P-Q, Q-T, T-P and R-R intervals, P-Q and S-T segments, QRS complex, P and T peaks, presented in this model of "ideal" or "proper" ECG are discussed depending on heart rate, periods of the cardiac cycle in accordance with EchoCG data. Conclusions. A decrease in the duration of ventricular systole and diastole and the absence of a general cardiac pause determines the limit of the maximal heart rate for each age.

Key words: athlete’s heart, ECG, echocardiography, maximal heart rate.

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