Pre-post study: The introduction of a text-message alert system to alert volunteers close to a cardiac arrest patient at home was associated with increased survival to hospital discharge.

Alert system-supported lay defibrillation and basic life-support for cardiac arrest at home – European Heart Journal

Editorial: Volunteer first responders for out-of-hospital cardiac arrest at home: the missing link for improved survival? – European Heart Journal

Commentary on Twitter

For patients with a cardiac arrest at home, an alert system that includes nearby volunteers activated by the ambulance dispatch centre and many easily accessible AEDs saves lives https://t.co/0jfD9LsKip @escardio #EHJ #ESCYoung #cardiotwitter @ehj_ed @rladeiraslopes pic.twitter.com/pjPk3NJDla

— European Society of Cardiology Journals (@ESC_Journals) December 20, 2021