Cardiostimulator
The cardiostimulator was a Federation medical device used to restart a stopped heart.

A cardiostimulator was among the medical equipment, E'Lis received from Doctor Phlox in 2152 to treat the injuries in their mining colony. Phlox noted that he was unaware that processing deuterium was such a dangerous business. ()

In 2154, Doctor Phlox attempted to use cardiostimulators to save Major Hayes. Unfortunately, the major's injuries were too extensive, and he died. ()

In 2268, Doctor Leonard McCoy used a portable version of the device aboard the  during an operation on Ambassador Sarek, after the  to sickbay had failed and the operating table's own cardiostimulator had ceased functioning. ()

In 2371, The Doctor used a cardiostimulator to revive Commander Chakotay after his bio-neural energy was displaced by the Komar. ()

In 2378, Tom Paris used a cardio-stimulator to cajole the heart of 's son to life. Although the initial charge of three millijoules was unsuccessful, the second charge set at five millijoules was successful. ()

See also 
 Benjisidrine
 Cyrogenic open-heart procedure
 T-negative

de:Kardiostimulator
Medical equipment