Person treated for head injury at northern high school Heard on: Calvert County MD Fire Dispatch 00:26 00:00 Medical Ops 503, Northern High School, 2950 Chaneyville Road for a head injury. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 Medical Ops 503, Northern High School, 2950 Chaneyville Road for a head injury. 00:06 We are making one 502 at 1830. 00:19 Medical Ops 503, Northern High School, 2950 Chaneyville Road, for a head injury. 00:24 Paramedic Ambulance 5 is due at 1831. 2026-10-26 22:30 UTC Medical Emergency Chaneyville Rd, Owings, MD 20736 View on map