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ECG Reading NARRATED animation, PART 21970-01-01T00:00:00+00:00This is the continuation of part 1, covering PR interval, QRS complex and ST segment changes.PT178Shttps://d3e1m60ptf1oym.cloudfront.net/e82d599b-c546-4440-bfaf-0cb07c7df0f5/ecg_reading_part_2_xlarge.jpghttps://d3e1m60ptf1oym.cloudfront.net/e82d599b-c546-4440-bfaf-0cb07c7df0f5/ecg_reading_part_2_mp4_hd_video.mp4