Quick-thinking nurses saved the life of an 83-year-old man. The scary incident happened in Melville, New York. Daniel Greco collapsed in full cardiac arrest at an ATM. Exactly 15 seconds later, a woman saw the stricken man on the floor. She rushed into her office and screamed for help. The 83-year-old man suffered a medical emergency next to an office filled with nurse practitioners. They revived him as paramedics arrived.