If the patient will have a rapid heartbeat when lying down, this situation is considered to have a certain correlation with heart failure, lying down after the increase in the return blood flow, the patient’s corresponding chest tightness, shortness of breath, dyspnea symptoms will be aggravated, which can induce the patient to have a rapid heartbeat this situation, it is recommended that the patient can maintain a seated position, and at the same time to correct the treatment of heart failure, which will help to better slow down the heart rate, there are also some patients is due to the Some patients are suffering from vegetative dysfunction or anxiety, or cardiac neurosis that triggers this precordial discomfort. It is recommended that the patient, can be combined with oral inhibition of sympathetic excitability of drugs, such as can take bethanechol or bisoprolol, can help to slow down the heart rate, so as to alleviate the patient’s symptoms of panic, palpitations. The patient may also be advised to have an ambulatory electrocardiogram to help assess the overall heart rate over a 24-hour period. It is also possible that the rapid heart rate may be triggered by myocardial ischemia.