If the patient is flustered and trembling, the heart rate and blood pressure should be measured first. If the heart rate is too fast and the blood pressure is normal at present, patients can be given beta blockers such as metoprolol or bisoprolol. In addition, patients are advised to have an electrocardiogram examination to find out what type of arrhythmia has occurred. If it is atrial fibrillation, then intravenous amiodarone can be injected, and then intravenous amiodarone can turn atrial fibrillation into sinus rhythm, combined with anticoagulant therapy, subcutaneous injection of low molecular weight heparin. For patients with palpitation and trembling, it is necessary to further check serum ions, thyroid function and blood routine to see if there is anemia, ion disorder and abnormal thyroid function at present. If the patient has hyperthyroidism, then you can take saizhi.