PR interval 0.12 seconds
(3 small horizontal boxes)
PR interval 0.16 seconds
(4 small horizontal boxes)
PR interval 0.28 seconds
(7 small horizontal boxes)
PR Intervals
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PR interval 0.12 seconds (3 small horizontal boxes) |
PR interval 0.16 seconds (4 small horizontal boxes) |
PR interval 0.28 seconds (7 small horizontal boxes) |