Ambulance responding to unknown medical problem Heard on: Chicago Suburban Fire Departments, MABAS and IFERN 00:15 00:00 Ambulance nine, unknown medical problem. 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 Ambulance nine, unknown medical problem. 00:03 (number withheld) Piper Lane, unit (number withheld), in Prospect Heights. 00:07 Grid 3971, (number withheld) Piper Lane, unit (number withheld), unknown medical problem. 00:14 Ambulance nine. 5/9/2026 09:00 PM Medical Emergency Piper Ln #3a, Prospect Heights, IL 60070 View on map