A hands-free cardiopulmonary resuscitation (CPR) guidance method (40) for a system including a head-mountable computing device (100) comprising a processor (110) and at least one display module (106, 106) arranged to be viewed by the wearer (20) of the head-mountable computing device when wearing the device is disclosed that allows a rescuer to receive CPR guidance without losing sight of the victim. The method comprises receiving (420), on said processor, a first signal conveying vital signs information from at least one sensor (200, 210) for monitoring vital signs of a patient (10), wherein a sensor (210) of the at least one sensor is integrated in the head-mountable computing device (100) processing said first signal on said processor to obtain the vital signs information and displaying (422) CPR guidance on said at least one display module in response to the processed vital signs information. A computer program product and a CPR guidance system are also disclosed. The system may be created in situ using ubiquitous devices, e.g. smart devices including usable sensors, thus facilitating rapid response to an SCA event, which improves the chances of survival of a SCA victim.Linvention concerne un procédé de guidage de réanimation cardio-pulmonaire (CPR) sans les mains (40) pour un système comprenant un dispositif informatique de type visiocasque (100) comprenant un processeur (110) et au moins un module daffichage (106, 106) conçu pour être visualisé par le porteur (20) du dispositif informatique de type visiocasque lors du port du dispositif, lequel procédé permet à un sauveteur de recevoir des indications de CPR sans perdre de vue la victime. Le procédé consiste à recevoir (420), sur ledit processeur, un premier signal transportant des informations de signes vitaux provenant dau moins un capteur (200, 210) pour surveiller les signes vitaux dun patient (10), un capteur (210) du ou des capteurs étant intégré dans le dispositif informatique de type visiocasque (100)
