Cardiac imaging less than 50 usually does not require infusion, but must take medication to prevent further aggravation of the condition. A cardiogram of less than 50 does not belong to coronary heart disease, often called coronary atherosclerosis. This degree of stenosis does not significantly affect blood flow to the heart and does not cause significant symptoms. However, if the condition develops further, it will aggravate the stenosis, leading to angina and heart attack. Therefore, it is best to take long-term medication to lower blood lipids, blood pressure, anticoagulation and other drugs for treatment, generally do not need infusion. At the same time, quit smoking, quit drinking, eat a light diet, avoid exertion, pay attention to rest. Choose sports suitable for your own physical condition to strengthen the exercise. In short, abnormal heart examination should actively cooperate with the treatment, can not rely on a single result of their own judgment, need to strictly follow the doctor’s requirements for treatment.