Parameters Before exercise After exercise p value
P wave duration (ms) 115.56 ± 5.50 82.22 ± 5.08 0.000**
P wave amplitude (mv) 0.34 ± 0.01 0.46 ± 0.04 0.006**
QRS duration (ms) 75.56 ± 5.50 75.56 ± 5.50 1.000 NS
PQ interval (ms) 291.11 ± 20.14 205.56 ± 10.94 0.002**
T wave duration (ms) 93.33 ± 9.15 86.67 ± 9.29 0.592 NS
T wave amplitude (mv) 1.04 ± 0.11 1.59 ± 0.34 0.113 NS
QT interval (ms) 360.00 ± 9.15 273.33 ± 12.21 0.000**
RR (interval (ms) 1573.33 ± 61.27 904.44 ± 52.36 0.000**
HR (bpm) 38.89 ± 1.42 70.67 ± 4.62 0.000**