Arrhythmia is a cardiovascular disease that requires a physical examination, ancillary tests and blood tests. Arrhythmia is a general term for irregular, fast or slow heartbeats caused by abnormalities in the electrical conduction system of the heart, and is treated in the Department of Cardiovascular Medicine. 1. Physical examination: Auscultation of changes in heart rate, rhythm, and heart sounds for initial judgment of arrhythmia. 2. Auxiliary examination. Electrocardiogram (ECG): the most effective and commonly used method to diagnose arrhythmia, which is decisive for the diagnosis of various arrhythmias. Most of the arrhythmias can be diagnosed by ECG. Cardiac ultrasound: cardiac ultrasound is also a very routine examination, through which it is possible to find out whether there are any organic lesions in the human heart. The main cause of arrhythmia can be found, and then scientific treatment can be chosen. 3. Blood test: through the blood draw to do routine laboratory tests can understand the main causes of arrhythmia, mainly to see whether the patient has anemia, hyperthyroidism and other diseases, to understand the patient electrolyte is not a phenomenon of disorders. If you feel panic and other symptoms, consider arrhythmia, need to timely cardiovascular internal medicine, under the guidance of the doctor to improve the relevant examination.