A remote alarm for use with a wearable defibrillator. The remote alarm may be a wearable remote device including a strap for disposing the wearable remote device on a wrist of a patient and communications circuitry disposed in the wearable remote device to wirelessly communicate with the wearable defibrillator. The wearable remote device may be configured to receive alarms, voice messages and prompts issued by the wearable defibrillator and to repeat those alarms, voice messages and prompts in a manner that can more easily be perceived by a patient wearing the wearable defibrillator or a bystander. The wearable remote device may further be configured to take certain actions depending upon the content of the to communication, such as sending a telephone message to alert emergency personnel to the identity, location and medical condition of the patient, or sending an email to a friend, caregiver, or relative.
