May is Stroke Awareness Month. Spotting the signs fast could save a life, there’s research to prove it. But imagine being behind the wheel when a stroke strikes. That happened to one Kansas City woman.

Less than two weeks ago, Merley McMurry was driving when her best friend in the passenger seat noticed she was not acting right and called 911 after helping her put the car in park. 

FOX4 talked to Dr. Karin Olds, neurologist and stroke medical director at Saint Luke's Marion Bloch Neuroscience Institute, about why time is of the essence when detecting a stroke.