After the cardiac drug balloon, it is generally recommended to be hospitalized for 2~3 days for observation, but it depends on the patient’s postoperative recovery, if the recovery is slower, it is necessary to extend the hospitalization time. Most of the patients after the cardiac drug balloon, about 2~3 days, vital signs can return to normal, the body of all data can meet the standard, at this time the physical state is also more stable, can be discharged. However, some patients after the balloon treatment, the body is slower to recover, and easy to produce a series of adverse reactions after the operation, or cause postoperative infection. In this case, hospitalization needs to be delayed until vital signs return to normal and the condition stabilizes. Before discharge, you need to have a checkup and leave the hospital only after all the indicators have returned to normal. If you are currently discharged from the hospital after having a cardiac balloon placed, you need to be regularly observed, and once you notice symptoms such as panic, shortness of breath, chest discomfort, etc., you need to be re-hospitalized and receive targeted treatment under the guidance of a medical professional.