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Table 2 Pd in healthy dogs depending on the age

From: Comparison of P-wave dispersion in healthy dogs, dogs with chronic valvular disease and dogs with disturbances of supraventricular conduction

Age

Pmin [ms]

Pmax [ms]

Pd [ms]

SD

<2 years

48,3

65,3

17,0

3,7

2-8 years

45,7

63

17,3

2,9

>8 years

44,3

60,5

16,2

4,6

  1. Pmin = the minimum duration of P wave, Pmax = maximum duration of P wave, Pd = P wave dispersion