Person experiencing rapid heartbeat at Yarmouth Port home Heard on: Barnstable MA Fire Dispatch Group Calls 00:20 00:00 Station to ambulance two, number (number withheld), (number withheld) White Rock Road for tachycardia. 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 Station to ambulance two, number (number withheld), (number withheld) White Rock Road for tachycardia. 00:10 10-21. 00:14 10-21 responding (number withheld) White Rock Road for tachycardia, cross street Shaker House Road, Winnebago Lane. 7/4/2026 10:46 PM Medical Emergency White Rock Rd, Yarmouth Port, MA 02675 View on map