Figure 1From: CPR in medical schools: learning by teaching BLS to sudden cardiac death survivors – a promising strategy for medical students? Can trained laymen easily handle an AED?. The trainer (student) rated how easy it was for the trainee (patient) to use an AED. The trainee (patient) rated how easy it was for him to use an AED. ("The participants believe that the usage of an AED is easy."/"I believe that the usage of an AED is easy.").Back to article page