A medical device implanted under the skin of a patient whose heart beats inefficiently. It delivers minute electric shocks to stimulate the heart muscles at regular intervals and restores normal heartbeat.
The latest pacemakers are powered by radioactive isotopes for long life and weigh no more than 15 g/0.5 oz.
An implanted electronic device that takes over the function of the natural cardiac pacemaker; SYN. artificial pacemaker. + prikaži više