The foramen ovale may not be a common type of congenital heart disease, under normal circumstances the embryonic state foramen ovale is open, with the growth and development of the fetus, since the birth of the foramen ovale should be closed, if it is not closed by the time of birth, it will affect the function of the heart, usually manifested as chest tightness and shortness of breath aggravated by the activity, hypoxia, cyanosis of lips and mouth, tachycardia, etc., ultrasound can be diagnosed. Treatment options are minimally invasive surgery to repair the unclosed foramen ovale. If the foramen ovale remains unclosed for a long period of time it can affect heart function and lead to insufficient blood supply to the brain, which makes you prone to dizziness and even tinnitus.