<prompt> Site for external cardiac massage is: March 2009Lower third of sternum.Junction of body and manubrium sterniXiphoid process2 fingers left to xiphoid process  <response>: Ans. A: Lower third of sternum The rescuer stand on the right side of the patient, lock one hand over other and provide compression over the lower third of sternum 2 fingers above the xiphoid process. Before advanced airway i.e.by mouth to mouth, bag and mask ventilation the ratio should be 30:2 30 compressions followed by 2 breaths After advanced airway i.e. endotracheal tube, compressions is continued at 100 compressions minute and breathing rate of 8-10 breaths minute with no synchronization i.e. no pause for ventilation. 