Objective:To study the correlation between TCM syndromes and heart rate variability in elderly primary hypertension.
Methods:This study was applied in the way of designing questionnaire, using four diagnostic methods to collect the condition information of each patient and filling the questionnaire, with which the diagnose of TCM syndromes was in line.24 hours sinus heart rate was recorded through dynamic ECG recording, and standard deviation of all N-N intervals in 24 h (SDNN), standard deviation of th...