Table 1 Characteristics of subjects studied for changes in depolarisation vectors.

From: Ventricular depolarisation vectors in exercise induced myocardial ischaemia

Groups

n

Exercise (minutes)

Chest pain or ST change on ETT

MPS reversible perfusion defect

A

14

>8.5

No

0

B

4

<8.5

No

0

C

5

>8.5

Yes

0

D

8

<8.5 (7 patients) 9 min (1 patient)

Yes

8

V

15

>10

No

Not done

  1. Groups A–D refer to patients and Group V to the volunteers.
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