Inappropriate shocks can be a problem for some

April 28, 2008–BOSTON–More and more children with congenital heart disease are receiving implantable cardioverter-defibrillators (ICDs) to maintain proper heart rhythm. ICDs were first introduced for adults in the 1980s, but little is known about how well they work in children, who account for less than one percent of recipients. A report in the April 29 Journal of the American College of Cardiology summarizes the largest pediatric experience to date. It finds the devices to be lifesaving, but also suggests that they tend to deliver more inappropriate shocks to children than to adults, making it important to watch children with ICDs closely.