Life-saving CPR app launched on Big Island

EMS Capt. Mike Lam shows the PulsePoint app he hopes to have installed on every smartphone on the island. (Laura Ruminski/West Hawaii Today)

EMS Capt. Mike Lam displays current users of the PulsePoint app islandwide. He hopes to have installed on every smartphone on the island. (Laura Ruminski/West Hawaii Today)

The Big Island community now has a tool to respond to sudden cardiac arrest — and save lives.