A 46-year-old Maui anesthesiologist pleaded not guilty Monday to allegations that he tried to kill his wife on an Oahu hiking trail after accusing her of cheating on him in December.

He is trying to kill me,” the woman shouted when she saw the hikers, who called 911. By the time officers from the Honolulu Police Department and paramedics arrived and rushed the bloodied young woman to Queen’s Medical Center,

Prosecutors say an anesthesiologist from Maui tried to push his wife off a cliff during a hike on Oahu, then pulled out a syringe filled with an unknown substance when she resisted.