Prolonged QT interval in an infant of a fluoxetine treated mother.

Fluoxetine is an antidepressant drug, only recently discovered to be a QT interval prolonging agent. The first case is presented of an infant of a mother treated with fluoxetine during pregnancy who had a transiently prolonged QTc interval, concluded to be drug induced. Clinical and electrocardiographic monitoring of newborns of antidepressant treated mothers is needed.