Off-duty Salem firefighter saves life with app's help

Fire Captain Greg Sanberg was running errands in Salem this spring when an app on his phone alerted him about a medical emergency at a nearby motel. This wasn’t a chance Facebook or Twitter post: With the help of the mobile app, the off-duty firefighter was able to locate a woman in cardiac arrest. Sanberg, 47, performed chest compressions. The woman began to breathe around the time emergency responders arrived, he said. “It was just as sliver of time when I was that close to that person,” he said. The app is called PulsePoint. City officials say it has helped boost Salem’s cardiac arrest…