Table 2.
Gold standard database of N=5386 critical ECG arrhythmia alarms: relative frequency of true and false alarms on a per-alarm basis. Average true alarm rate = 57.3%.
| Alarm Type | All Alarms | True Alarms | False Alarms | |||||
|---|---|---|---|---|---|---|---|---|
| Total Alarms | % of all alarms | N | % of all alarms that are true | % of specific alarm type that are true | N | % of all alarms that are false | % of specific alarm type that are false | |
| Asystole | 579 | 10.8% | 54 | 1.0% | 9.3% | 525 | 9.7% | 90.7% |
| Extreme Bradycardia | 717 | 13.3% | 507 | 9.4% | 70.7% | 210 | 3.9% | 29.3% |
| Extreme Tachycardia | 1877 | 34.8% | 1444 | 26.8% | 76.9% | 433 | 8.0% | 23.1% |
| VTach | 1900 | 35.3% | 1015 | 18.8% | 53.4% | 885 | 16.4% | 46.6% |
| VTach/VFib | 313 | 5.8% | 64 | 1.2% | 20.4% | 249 | 4.6% | 79.6% |
| All | 5386 | 3084 | 57.3% | 2302 | 42.7% | |||