Anaesthesia Machine used noninvasively to monitor an external chest compression during cardiopulmonary resuscitation is ? A Zoll AED - plus automatic external defibrillator B Zoll depth synchronizer C Zoll strength sensor D Zoll pA02 monitor 💡 Explanation Machine used noninvasively to monitor an external chest compression during cardiopulmonary resuscitation is ? ✓ Correct Answer: A. Zoll AED - plus automatic external defibrillator