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Table 1 Frequency distribution of arrhythmias during rest and exercise

From: Appropriate threshold levels of cardiac beat-to-beat variation in semi-automatic analysis of equine ECG recordings

    Rest Exercise
Horse Age (years) Sex Recording duration (hours) Sinoatrial block Sinus arrest 2nd degree AV block SVPC VPC Recording duration (hours) SVPC
1 11 G 24.0 1 0 0 0 0 1.6 0
2 14 G 23.3 0 0 0 6 0 1.6 1
3 9 G 22.9 0 0 211 7 0 N/A N/A
4 15 S N/A N/A N/A N/A N/A N/A 1.3 5
5 8 G 24.0 0 0 1 0 0 1.4 1
6 8 G 24.0 7 0 3 4 0 1.8 2
7 15 G 24.0 0 0 0 86a 2 1.6 24
8 8 S 22.1 0 0 0 2 0 1.6 0
9 13 G 24.0 13 1 42 69 0 1.4 1
10 9 M 24.0 1 0 3 7 0 1.5 0
11 11 G 24.0 0 0 0 0 0 1.7 0
  1. G gelding, M mare, S stallion. SVPC supraventricular premature complex, VPC ventricular premature complex. N/A not available. aIncluding three episodes of double SVPCs and one triple SVPC