Possible cardiac arrest reported near Marion Court Heard on: Nassau County Fire - East 00:15 00:00 3921 duty, 6th Avenue, cross of Marion Court, possible cardiac arrest. 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 3921 duty, 6th Avenue, cross of Marion Court, possible cardiac arrest. 00:07 3921 duty, 6th Avenue Delta, cross of Marion Court, possible cardiac arrest, 523. 2026-09-20 02:23 UTC Medical Emergency Marion Ct, Seaford, NY 11783 View on map