In various embodiments, one kind may include: support construction (200,300,400) for assisting the device of CPR (" CPR "), be shaped as the corresponding position that the head of patient and neck support are opened to the air-flow of the patient during being suitable for executing CPR to the patient One or more electromagnetic radiation sources (208,308,408), are installed in the support construction will have in the electromagnetic radiation of the wavelength in the scheduled frequency range of wavelength to the skin of the patient And one or more electromagnetic sensors or optical sensor (210,310,410), the electromagnetic radiation being installed in the support construction in the scheduled frequency range in the skin to detect from the skin reflex of the patient or be transmitted to the patient.
