Flexible analysis channel selection function, Which ensures that any channels can be selected as the main analysis channel. Flexible analysis of atrial arrhythmia which ensures that physicians can use the whole or segmented a u t o / m a n u a l a n a l y s i s, M o r e a c c u r a t e inatrialfibrillation analysis. With many pacing analysis templates, Such as dual chamber pacing, Atrial pacing, Ventricular pacing, Ventricular pseudofusion and ventricular asynchronous pacing, Etc. Single orfull, Lead ecg in any time bucket is subject to assessment by the fast review analysis function. With analysis functions for 5, Minute, 1, Hour and 24, Hour fluctuations in heart rhythm