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A New Multiprogrammable Isotopic Powered Cardiac Pacemaker

A new multi‐programmable, isotopic‐powered cardiac pacemaker was implanted in six patients as a custom device. Five were initial implants and one was a replacement The patients were studied for up to two years. In five of the six cases it was found advantageous to change one of the programmable parameters. Multiprogrammability is obviously as important in an isotopic pulse generator as in a lithium unit, if not more so, because of the unit's greater longevily, Further studies are continuing in an FDA approved clinical trial. (PACE, Vol. 5, September‐October, 1982)