Help 100 cases of patients, although not much, but I am still more satisfied, to commemorate. At the same time to remind the need to consult the patient: 1. first of all, their uncomfortable symptoms in what circumstances occur, how long it lasts, how can be relieved to describe clearly 2. past medical history (such as hypertension, diabetes, anemia, hyperthyroidism, etc.) Gao Lijian, Department of Cardiovascular Internal Medicine, Fu Wai Hospital, Beijing 3. history of allergy to medications 4. have done the examination uploaded (such as ultrasound of the heart, including atrial size, ventricular size, left ventricular ejection fraction, etc., chest radiographs of the cardio-thoracic ratio) 5. explain the next step need to get how to help? (e.g. cardiac ultrasound including atrial size, ventricular size, left ventricular ejection fraction, etc., cardiothoracic ratio of chest radiograph) 5.