MCKINNEY, Texas — City leaders in McKinney are working to create what they call a “four-minute city,” a community where a smart AED, or automated external defibrillator, can reach someone in cardiac arrest and deliver a shock within four minutes.
“We are developing the four-minute city,” said Dr. Mark Maynard, Medical Director for EMS at the McKinney Fire Department.
Cardiac emergencies are not rare in McKinney. “There are cardiac calls every single day in the city of McKinney,” said Fire Chief Paul Dow…