1.
Kardiologiia
; 55(1): 43-46, 2015 Jan.
Article
in Russian
| MEDLINE
| ID: mdl-28294825
ABSTRACT
Microvolt T-wave alternans (MTA) is one of markers of electrical myocardial instability. STUDY AIM: to elucidate normal range of MTA parameters during bicycle exercise test (ET) in adolescent elite athletes. MATERIAL AND METHODS: We examined 500 athletes aged 9-18 (mean 16.1+/-2.2) years members of national teams of 27 kinds of sport. There were 333 females with mean age 16.0+/-1.01 years and 167 males with mean age 16.3+/-1.4. All athletes underwent ECG registration in clino- and ortho- positions and bicycle ET with automatic analysis.