Defibrillator
From Tardis Wiki, the free Doctor Who reference
A defibrillator was a device used to save someone going through cardiac arrest.
Amy Pond used a defibrillator to restart one of the Eleventh Doctor's hearts. (TV: The Power of Three)
There was a phone box which had been converted into a defibrillator outside the Y Pren Marw pub in 2024. (PROSE: 73 Yards [+]Loading...["73 Yards (novelisation)"])