Person having trouble breathing near Calhoun Drive Heard on: Montgomery County MD Fire Rescue 7A1 Ops 1 00:18 00:00 Truck 725 for the engine. 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 Truck 725 for the engine. 00:05 Paramedic engine 725, disregard your alert. 00:07 Paramedic engine 725, disregard your alert. 00:14 6725, truck 725 responding. 00:15 Trouble breathing, ALS 1, (number withheld) Calhoun Court. 6/29/2026 04:56 PM Medical Emergency Calhoun Dr, Derwood, MD 20855 View on map