Effects and limitations of an automated external defibrillator with audiovisual feedback for cardiopulmonary resuscitation: a randomized manikin study

Correctly performed basic life support (BLS) and early defibrillation are the most effective measures to treat sudden cardiac arrest. Audiovisual feedback improves BLS. Automated external defibrillators (AEDs) with feedback technology may play an important role in improving CPR quality. The aim of this simulation study was to investigate whether an AED with audiovisual feedback improves CPR parameters during standard BLS performed by trained laypersons.