Diagnosing lethal heart rhythm in the womb

A promising technology may enable doctors to diagnose and possibly treat in utero a common cause of stillbirth and sudden death in infants, according to research published in the American Heart Association journal Circulation. The study is the first to document the electrophysiological characteristics of fetal long QT syndrome and to evaluate the diagnostic accuracy of the magnetic EKG, or magnetocardiogram, in a sizable population of at-risk fetuses. "Until now, physicians were unable to diagno...