Normally, cardiography requires anesthesia, but local anesthesia, not general anesthesia. Cardiography belongs to a kind of examination program, mainly through the catheter through the radial artery gradually moved to the aorta, and then injected into the tip of the catheter contrast agent, so that the contrast agent gradually enter the coronary artery, so as to observe whether there is any abnormality in the patient’s coronary arteries and the heart morphology in the X-ray, if the anesthesia is not carried out, it may make the patient in the process of the examination of severe pain, and even affect the results of the examination, which is unfavorable to the healthcare professionals to develop a treatment plan. After the cardiac imaging test, you should pay more attention to rest, do not be too strenuous, and drink more water to discharge the contrast medium. If you have any concerns, you can consult your physician to avoid delaying your condition.