Mr. Li (pseudonym), 47 years old, experienced chest pain and dizziness two months ago. After being diagnosed with coronary heart disease, he underwent angioplasty and stent placement surgery. After the surgery, the dizziness was more severe than before the surgery, his resting heart rate reached 90-100 beats per minute, he had palpitations, and his mood became easily tense and depressed. He rushed to the clinic for treatment. Why do some patients experience more discomfort af

心電傳導系統, 竇房結, 房室結, 中醫治療心律失常