The registry collect all the laypeople's performance of 1-minute of chest-compression only CPR registered at the end of a CPR/AED course in which feedback devices were used for at least 1 minute.~All centers which carry out BLS/AED course for laypeople using CPR feedback devices can join to the registry.~All the centers have to declare the duration of the course, the guidelines followed, the participants' anthropometric variables and the feedback device they used for the course and for the test.~The centers must send the performances of all the participants of a course.
The aim of the registry is to collect laypeople's performance after a BLS/AED course carried out with the use of feedback devices.