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河南省读者周之启来信询问:我现在心绞痛,步行就很厉害,有朋友建议我安装一个心脏起搏器,我想咨询一下我的情况到底适不适合安装心脏起搏器?专家:人体各脏器的生理功能必须靠心脏适当频率的节律舒缩来维持,以保证所需新鲜血液的供应。正常心脏收缩的频率为60～100次/分,对心率?
Henan Province, the reader Zhou Zhiqi letter asked: I now angina, walking is very powerful, a friend suggested that I install a pacemaker, I would like to consult my situation in the end is not suitable for the installation of pacemakers? Expert: human organs The physiological function must be maintained at the rhythm of the heart at the appropriate frequency to maintain the supply of fresh blood needed. Normal systolic frequency of 60 to 100 beats / min, the heart rate?