The ideal parameters for cardiac massage in cardiopulmonary resuscitation are all except ?
Ans. is `b,' i.e., Ratio of compression to ventilation should be 15:2
Force should depress sternum by 11/2 inches
Ratio of compression to ventilation should be 15:2
Compressions to be given over lower third of sternum
Force should depress sternum approximately 1/3 of chest wall diameter