Using an AED Machine

This, of course, has nothing to do with music. But a musician friend sent it to me, and I watched it, and now I know that if I were in a public place like a shopping mall, and someone were to collapse from a heart attack, I could feel confident about hopefully keeping that person alive until the paramedics arrived.

Here's the video.

You never know when something like this might happen, so it is good to be prepared.