Person reporting chest pain at North Mountain Avenue Heard on: San Bernardino County Fire - Valley 00:09 00:00 Chest pain. 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 Chest pain. 00:01 Medic Engine 226, (number withheld) North Mountain Avenue between East Highland Avenue and East Ortega Drive. 7/22/2026 12:15 AM Medical Emergency N Mountain Ave, Upland, CA 91784 View on map