方法选择32例老年健康人和90例老年高血压病人进行体表心电图、超声心动图和动态心电图检查，作q T离散度测定。
Methods 32 healthy old people as control group and 90 cases of hypertrophy patients were chosen by means of regular ECG, Echocardiogram and Holter test.
治疗前后检查动态心电图、气分析、功能及血液流变指标。
DCG blood gas analysis, lung function and blood rheology indexes were checked.
方法：用多导睡眠图监测68例患者，同时行动态血压、动态心电图及冠状动脉造影、磁共振检查。
Methods: The study investigated 68 elderly cases by polysomography randomly, they were examined by blood pressure, dynamic electrocardiogram, coronary arterial radiograph, nuclear magnetic resonance.
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