Congenital heart disease
Congenital heart disease is the inborn defects in heart structure or heart blood vessels since birth. Signs and symptoms depend on the specific type of defect and the symptoms can vary from curable to life-threatening, which in some cases leads to death. The causes of congenital heart disease are unknown in many cases. The defects may involve the interior walls of the heart, the heart valves, or large blood vessels that lead into and from the heart.
Many congenital heart defects are
often diagnosed prenatally by fetal
echocardiography. This is a test that is usually
analyzed during the second trimester of pregnancy when the mother is about
18–24 weeks pregnant. It can be tested by abdominal ultrasound or transvaginal