Abstract 253: Accuracy of Detecting Chest Compression Rate from the Thoracic Impedance Data Recorded Through Chest Pads

TL;DRAbstract

Background To assist healthcare providers in performing quality CPR, devices such as Q-CPR TM measurement and feedback tool can be used with defibrillators. However, such devices are not always present, but almost every defibrillator records impedance signal through chest pads. Therefore, being able to detect the chest compression (CC) rate from the thoracic impedance signal in real-time can be valuable in practice. The real-time rate, for example, can be used to provide feedback to the rescuer or to remove compression artifact from ECG during CPR to shorten the time between last compression and the defibrillation shock. Objective To detect the chest compression rate from thoracic impedance signal and compare it to the true rate from compression signal. Methods Recordings of 175 out of hospital cardiac arrest (OHCA) patients older than 18 years were used. The database was collected using Laerdal HeartStart 4000 defibrillators in 6 ambulances in 3 European regions between March 2002 and

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