Fig. 1

(The drawings depicted have been created on behalf of the authors, and copyright have been paid, and written permission to use it in a medical journal has also been given by the artist (Ferreiro Iglesias Studio SL, Igualada, Barcelona) a. The pre-recorded scene was displayed on a screen wall using the usual projector that was already installed in the classroom. b. Image that shows the live simulation in the centre of the classroom surrounded by the students