Answer:
Yes is the answer to both. And I would do it for anybody, anywhere, any time it was necessary because early intervention with effective CPR and the early application of an AED can enhance survival rates dramatically in both witnessed and unwitnessed out of hospital cardiac arrest cases. Everyone should be taught the basics of emergency life support for that very reason. And it is actually quite easy: Push hard and fast in the centre of the chest to the beat of Stayin' Alive by the Bee Gees while someone else locates the AED, applies the pads without interrupting the compressions and then all parties involved follow the machine's instructions.
Step-by-step explanation:
Hope this helps