tetralogy of Fallot

[ fa-loh ]

noun

, Pathology.

1. a congenital malformation of the heart characterized by an abnormal opening in the septum dividing the ventricles, misplacement of the aorta so that it receives blood from both ventricles instead of only the left ventricle, narrowing of the pulmonary artery, and enlargement of the right ventricle.

tetralogy of Fallot

/ tĕ-trăl′ə-jē,-trŏl′-;fă-lō′ /

1. A congenital malformation of the heart characterized by a defect in the ventricular septum, misplacement of the origin of the aorta, narrowing of the pulmonary artery, and enlargement of the right ventricle. It is named after its describer, French physician Etienne-Louis Arthur Fallot (1850–1911).

Word History and Origins

Origin of tetralogy of Fallot¹

After Étienne Fallot, French physician who named the disease in 1888

Example Sentences

Billy was born with a condition called tetralogy of Fallot with pulmonary atresia, a severe heart defect that occurs in approximately one in 2,500 babies.

From Los Angeles Times

In kids with tetralogy of Fallot, the heart doesn’t pump blood to the lungs efficiently, and oxygen-rich blood mixes with blood that has little oxygen left in it.

From Washington Times

Billy Kimmel has tetralogy of Fallot with pulmonary atresia - a hole in the wall separating the right and left sides of the heart and a blocked pulmonary valve.

From Washington Times

Billy Kimmel has tetralogy of Fallot with pulmonary atresia — a hole in the wall separating the right and left sides of the heart and a blocked pulmonary valve.

From Seattle Times

In infants, heart abnormalities include tetralogy of Fallot, a combination of four cardiac defects.

From US News