Subject | Age | Sex | Coronary arteries | ECG (rest) | ECG (dob) | HR (rest) | HR (dob) | SBP (rest) | SBP (dob) | DBP (rest) | DBP (dob) | RPP (rest) | RPP (dob) | Max dose dob | Pain score | Pain (LDD) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
*p=0.0001 v rest; **p=0.0003 v rest; ***p<0.0001 v normal controls. §p=0.0001 v rest; §§p=0.0002 v rest. DBP, diastolic blood pressure; dob, at peak effect of dobutamine infusion; F, female; HR, heart rate; LDD, low dose dolbutamine; M, male; non-spec, non-specific; RBBB, right bundle branch block; signif; significant; ⇓ST, ST segment depression; SBP, systolic blood pressure. | ||||||||||||||||
Syndrome X | ||||||||||||||||
1 | 62 | M | Smooth, normal | Normal | ⇓ ST V5,6 | 70 | 140 | 145 | 130 | 80 | 60 | 10 150 | 18 200 | 30 | 6 | 0 |
2 | 63 | F | Smooth, normal | Normal | ⇓ST II,V4-6 | 70 | 120 | 140 | 155 | 75 | 100 | 9800 | 18 600 | 25 | 9 | 0 |
3 | 47 | F | Smooth, normal | Normal | ⇓ST II, V4-6 | 70 | 120 | 130 | 145 | 70 | 100 | 9100 | 17 400 | 30 | 9 | 0 |
4 | 68 | F | Smooth, normal | Normal | ⇓ST II,III,aVF | 66 | 140 | 155 | 190 | 90 | 100 | 11 220 | 26 600 | 25 | 9 | 0 |
5 | 71 | F | Smooth, normal | Non-spec T | ⇓ST V5, 6 | 60 | 87 | 120 | 153 | 60 | 95 | 7200 | 13 311 | 20 | 9 | 8 |
6 | 51 | F | Smooth, normal | Normal | ⇓ST II, III,V3-6 | 60 | 107 | 135 | 120 | 65 | 95 | 8100 | 12 840 | 25 | 8 | 3 |
7 | 52 | F | Smooth, normal | Non-spec T | ⇓ST II, III,V4-6 | 80 | 136 | 140 | 197 | 70 | 113 | 11 200 | 26 792 | 25 | 8 | 2 |
8 | 54 | M | Smooth, normal | Normal | ⇓ST V5,6 | 60 | 104 | 130 | 160 | 70 | 90 | 7800 | 16 640 | 45 | 3 | 0 |
Mean | 59 | 67 | 119* | 137 | 156 | 73 | 73 | 9321 | 18 798** | 28 | 7.6*** | 1.6*** | ||||
(SD) | (9) | (7) | (19) | (11) | (27) | (9) | (13) | (1531) | (5310) | (8) | (2.0) | (2.8) | ||||
Normal controls | ||||||||||||||||
1 | 61 | M | – | Normal | Non-spec ST/T inf | 84 | 120 | 114 | 116 | 77 | 75 | 9576 | 13 920 | 30 | 0 | 0 |
2 | 63 | F | – | Partial RBBB | No signif change | 66 | 108 | 120 | 138 | 63 | 94 | 7920 | 14 904 | 35 | 0 | 0 |
3 | 37 | F | – | Normal | No signif change | 85 | 136 | 110 | 117 | 67 | 59 | 10 120 | 15 912 | 30 | 0 | 0 |
4 | 54 | F | – | Normal | No signif change | 71 | 120 | 126 | 176 | 73 | 88 | 8946 | 21 120 | 30 | 1 | 0 |
5 | 63 | F | – | Normal | Non-spec ST/T inf | 58 | 120 | 159 | 198 | 74 | 88 | 9222 | 22 272 | 25 | 1 | 0 |
6 | 50 | M | – | Normal | No signif change | 52 | 80 | 186 | 231 | 118 | 101 | 9672 | 18 480 | 25 | 0 | 0 |
7 | 72 | M | – | Normal | No signif change | 70 | 119 | 206 | 169 | 89 | 74 | 14 420 | 20 111 | 25 | 0 | 0 |
8 | 51 | F | – | Normal | No signif change | 74 | 126 | 120 | 173 | 65 | 70 | 8880 | 21 798 | 25 | 0 | 0 |
Mean | 56 | 70 | 116§ | 143 | 165 | 78 | 81 | 9033 | 17 060§§ | 28 | 0.25 | 0 | ||||
(SD) | (4) | (12) | (17) | (37) | (40) | (18) | (14) | (1730) | (5394) | (4) | (0.46) |