Atrial flutter vs normal sinus rhythm 1970-01-01T00:00:00+00:00A-flutter, with a 3:1 heart block. The animation is made slower than real time to show electrical activities.PT19Shttps://d38zjy0x98992m.cloudfront.net/bf1eaeca-3c88-4c34-b15d-e9eb3fafda1d/a_flutter_vs_normal_xlarge.jpghttps://d38zjy0x98992m.cloudfront.net/bf1eaeca-3c88-4c34-b15d-e9eb3fafda1d/a_flutter_vs_normal_mp4_hd_video.mp4