Table 2 Pretest and posttest ECG-KT scores

Subscales

 Normal sinus rhythm and derivations

52.68 ± 24.02

75.09 ± 20.70

-4.638/0.006*

 Atrial arrhythmias

36.85 ± 11.65

60.55 ± 14.79

-9.849/0.010*

 Ventricular arrhythmias

53.57 ± 21.41

74.44 ± 11.64

-2.519/0.086

 Blocks

26.39 ± 1.17^a

36.39 ± 1.17^a

-

 Pacemaker

50.83 ± 0.38

78.33 ± 10.21

-3.957/0.158

 Acute coronary syndrome

44.81 ± 17.96

56.11 ± 22.03

-4.689/0.043*

Total

46.5 ± 17.5

66.2 ± 17.2

-16.604/<0.001*