Is it serious that the foramen ovale is not closed by 13-day cardiac color Doppler ultrasound of new

If the diameter of the patent foramen ovale is less than 1.9mm and there are no complications, it is usually not a serious situation and most of them can close by themselves. If the diameter of the patent foramen ovale is greater than 4.0mm, it will cause abnormal embolism and hypoxemia, etc., it is a serious situation and needs to be actively treated by medical treatment. If

the patent foramen ovale is still not closed in newborns over 1 year old, it is also necessary to seek medical treatment to prevent migraine, stroke and other diseases.