Table 3.
Effects of a changing tachycardia rate on the AP–VS interval
| HR0 | ∆HR | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| ± 0 bpm | + 5 bpm | + 10 bpm | − 10 bpm | − 20 bpm | ||||||
| AP–VS | AP–VS | AP–VS | AP–VS | AP–VS | ||||||
| 10 | 20 | 10 | 20 | 10 | 20 | 10 | 20 | 10 | 20 | |
| 220 | 83 | 77 | 71 | 96 | 110 | |||||
| 210 | 86 | 96 | 79 | 89 | 73 | 83 | 100 | 110 | 116 | 126 |
| 200 | 90 | 100 | 83 | 93 | 76 | 86 | 106 | 116 | 123 | 133 |
| 190 | 96 | 10 | 88 | 98 | 80 | 90 | 113 | 123 | 133 | 143 |
| 180 | 93 | 113 | 84 | 104 | 76 | 96 | 113 | 133 | 135 | 155 |
| 170 | 93 | 113 | 83 | 103 | 73 | 93 | 115 | 135 | 140 | 160 |
| 160 | 95 | 115 | 84 | 104 | 73 | 93 | 120 | 140 | 149 | 169 |
| 150 | 100 | 120 | 87 | 107 | 75 | 95 | 129 | 149 | 162 | 182 |
| 140 | 109 | 129 | 94 | 114 | 80 | 100 | 142 | 162 | 180 | 200 |
| 130 | 112 | 142 | 94 | 124 | 79 | 109 | 150 | 180 | 195 | 225 |
| 120 | 110 | 150 | 90 | 130 | 72 | 112 | 155 | 195 | 210 | 250 |
| 110 | 145 | 155 | 122 | 132 | 100 | 110 | 200 | 210 | 267 | 277 |
| 100 | 200 | 200 | 171 | 171 | 145 | 145 | 267 | 267 | 350 | 350 |
| 90 | 267 | 267 | 232 | 22 | 200 | 200 | 350 | 350 | 457 | 457 |
HR 0 original heart rate, ∆HR change in heart rate, AP atrial pacing, VS ventricular sensing