Users should seek alternatives, if possible SILVER SPRING, Md., April 27 /PRNewswire-USNewswire/ -- About 280,000 external defibrillators used worldwide in health care facilities, public places, or in the home may malfunction during attempts to rescue people in sudden cardiac arrest, the U.S.

Sep. 2--An eastern Dane County factory will manufacture lifesaving heart defibrillators -- and will add 50 jobs in the next four months to handle the production as a result of the merger of two West Coast companies.