✔ 最佳答案
In any emergency situation, patient's airway and circulation is always the first priority. Without either one will eventually means death.
Bag valve mask (to maintain airway)
http://en.wikipedia.org/wiki/Bag_valve_mask
Endotracheal tube (to maintain airway)
http://www.myrespiratorysupply.com/images/ET%20cuff%207.5mm.JPG
http://en.wikipedia.org/wiki/Endotracheal_tube
Defibrillators (to maintain circulation)
http://www.aed-med.com/Medtronic-Defibrillators.php