Localized echogenic enhancement of the left ventricular tendon is most commonly seen in fetal and neonatal ultrasound examinations. 99% of fetuses with localized echogenic enhancement of the left ventricular tendon are not associated with cardiac or other malformations, and are usually reviewed regularly and do not require treatment. Very few fetuses with localized echogenic enhancement of the left ventricular tendon cord are associated with cardiac or other malformations, and should be referred to a doctor for timely consultation and, if necessary, induction of labor. 1. More than 99% of the strong echoes of the fetal left ventricular tendon cord are caused by the thickening of the left ventricular tendon cord or structural changes of the papillary muscle type, which is a normal anatomical structure and will gradually disappear with the increase of pregnancy months. You need to keep a good attitude, avoid exertion, strengthen nutrition, take folic acid and calcium supplements during pregnancy, and have regular checkups. 2. 1% of the left ventricular tendon echoes are combined with abnormal cardiac function, malformation of the heart or other parts of the body, consult the doctor in time, and induce labor if necessary. 3. Fetal left ventricular tendon cord localized echo enhancement after birth needs to be reviewed neonatal cardiac ultrasound. What to do about localized echogenic enhancement of the left ventricular tendon cords varies greatly according to the type, so it is recommended to go to the hospital for further consultation or diagnosis and treatment.