A wearable defibrillator includes a plurality of ECG electrodes configured to be removably attached to a patient and sense ECG information of the patient, and at least one therapy pad configured to deliver electrical therapy to the patient. The wearable defibrillator includes at least one audio device including a microphone configured to receive an audio input and an audio output device configured to provide an audio output. At least one processor of the wearable defibrillator is operatively connected to the plurality of ECG electrodes, the at least one therapy pad, a memory, and the at least one audio device. The at least one processor is configured to in a set up phase, receive by the microphone and store in the memory, the audio input comprising a voice recording, and cause the audio output device to provide the audio output by to playing back the voice recording to the patient.
