Medical call at Potomac Passage in National Harbor Heard on: Prince George'S County MD Fire-Tac 00:08 00:00 Medical call (number withheld) Potomac Passage. 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 call (number withheld) Potomac Passage. 00:03 Unit 516 . Health care 1st on box 3102 . 00:06 Paramedic ambulance 842 responding. 2026-11-15 13:35 UTC Medical Emergency Potomac Passage, National Harbor, MD 20745 View on map