Can neonatal atrial septal defect 4mm heal itself?

Atrial septal defect (ASD)

is a congenital heart disease, which is mostly related to genetic and intrauterine infection. The ASD of 4 mm is relatively small, parents usually pay attention to the care of newborns, such as trying to make the newborn in a quiet and comfortable environment to rest, accompany and comfort the newborn, etc., generally can heal. However, if during recovery, the baby does not sleep or is repeatedly frightened and stimulated by external stimuli, such as noise, light, etc., it is easy to cause arrhythmia, pulmonary hypertension, etc., generally can not self-heal.