Fig. 4From: Estimation of the variations in mechanical impedance between the actuator and the chest, and the power delivered to the chest during cardiopulmonary resuscitation using machine-embedded sensorsResults of the comparison among the three applied methodologies in P3 condition. N = 30 for the conventional DFT and N = 152 for the proposed method. a MI, b power delivered to the chest. MI mechanical impedanceBack to article page