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１５７例老年人充血性心力衰竭的临床资料分析，发现①老年组随着心功能减退的逐渐加重，室性心律失常的发生率也越高，低血钾时更明显（Ｘ２＝６．４６，Ｐ＜０．０５）；②冠心病和扩张型心肌病比高心病和风心病更容易发生低血钾和室性早搏。认为低血钾和心功能的恶化是老年人心力衰竭时室性心律失常的主要原因。建议积极改善心功能状态和纠正电解质紊乱，从而减少室性心律失常的发生，改善病人的预后。
The clinical data analysis of 157 elderly patients with congestive heart failure found that: (1) With the gradual increase of hypothyroidism, the incidence of ventricular arrhythmia was also higher in the elderly group (X2 = 6.46, P <0.05); ② coronary heart disease and dilated cardiomyopathy are more prone to hypokalemia and ventricular premature beats than those with hypercardia and rheumatic heart disease. Hypokalemia and deterioration of heart function are considered as the main causes of ventricular arrhythmias in elderly people with heart failure. It is recommended to actively improve the state of cardiac function and correct electrolyte imbalance, thereby reducing the incidence of ventricular arrhythmias and improve patient prognosis.