Does angiography needle need hospitalization

Angiography is a test to detect the state of coronary blood flow. It is necessary to consider the observation of hospitalization for 2 or 3 days, which is also responsible for your own health. The hospital requires the patient to stay for a few days and observe, which is for the consideration of safety. Cardiac angiography is an invasive surgery, but the surgical wound is small, if the heart angiography problem is not big, the hospital stay is short, if the heart angiography needs to put a stent, it needs to be observed in the hospital for a period of time.