Assist invalid person near Maryland Heights Heard on: St. Louis County Fire and EMS - North 00:12 00:00 4427, assist invalid. 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 4427, assist invalid. 00:04 (number withheld) Countrywood Drive. 00:06 Cross street is Country Place Drive. 00:09 4427, respond on North Main. 2026-09-12 11:37 UTC Medical Emergency Country Wood Dr, Maryland Heights, MO 63043 View on map