Keywords Left ventricular hypertrophy;Early afterdepolarization;Action potential duration;QT interval;Ventricular arrhythmia;Transmural repolarization dispersion;Antiarrhythmic peptide;

• 心肌肥厚;早期后除极;动作电位时程;QT间期;跨室壁离散度;室性心律失常;抗心律失常肽;