Table 3 Effect of group and exercise stage on mean (standard error) enhanced RVM scores.

From: Ventricular depolarisation vectors in exercise induced myocardial ischaemia

Exercise stage

Group A

Group B

Group C

Group D

Group V

2.5 min

39.5 (7.6)

43.75 (14.2)

57.8 (12.7)

50.7 (11.6)

44.1 (7.3)

5.5 min

55.2 (7.6)

67.25 (14.2) (p-value = 0.0036)

61.1 (12.8)

81.7 (11.6) (p-value < 0.0001)

57.3 (7.3)

8.5 min

63.6 (7.8) (p-value = 0.0014)

64.2 (12.7) (p-value = 0.8602)

69.4 (7.3) (p-value = 0.0016)

  1. Least square means are reported. Enhancement of the relative vector magnitude (RVM) occurs in the second half of the depolarization cycle. Significant enhancement of the RVM scores occurs at a lower level of physical work in patients of Groups B and D who also had significant reduction in RVM consistent with ischaemia. Enhancement of RVM is a manifestation of change in the sequence of depolarization.