Atrial Fibrillation Doesn’t Always Hurt. Here’s Why You Need to Take It Seriously.
He’d felt a similar sensation before, but usually just for a minute or two. This time it persisted. He happened to have a pulse oximeter nearby, and he put it on his finger while he was still seated. His heart rate kept rising: 150, 160, 170. He called to his wife in the other room. “...