Woman with chest pressure treated near South Lake Park Loop Heard on: Contra Costa CA Fire Dispatch Group Calls 00:11 00:00 Medic 57, engine 99, respond code 3, (number withheld) Yellowstone Circle. 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 Medic 57, engine 99, respond code 3, (number withheld) Yellowstone Circle. 00:05 (number withheld) Yellowstone, cross of South Lake Park Loop. 00:10 Fifty-year-old female chest pressure. 7/30/2026 02:57 PM Medical Emergency Yellowstone Cir, Discovery Bay, CA 94505 View on map