Drowning is the leading cause of unintentional injury-related death in children between the ages of one and four — but drownings are 100% preventable if the proper precautions are taken.

Jack Doherty should not be here. After suffering a massive heart attack while playing hockey last fall, the 45-year father of five was dead. His heart had completely stopped. His skin was blue. “I was probably dead before my body hit the ice,” Jack said. However, an extraordinary series of events...