#$%^&*AU2018278898A120190711.pdf#####ABSTRACT A defibrillator (1) is provided comprising an activation mechanism (3) having an activator (5) and a status indicator (7) wherein the activator (5) is disposable in a first condition in which the defibrillator (1) is deactivated and in a second condition in which the defibrillator (1) is activated and the status indicator (7) is operable in at least a first mode in which a 'defibrillator ready' status of the defibrillator (1) is indicated and a second mode in which a 'defibrillator not ready' status of the defibrillator (1) is indicated. By having an activation mechanism (3) which comprises the activator (5) and the status indicator (7), users of the defibrillator (1) are not confused between separate activation and status indication devices and are able to use the activator (5) promptly. Figure 11/2 DEFIBRILLATOR 3 13 5 13 13 7 9 11 13 Fig. 1