Table 1.
Personal Continuous Glucose Monitoring Currently Available
| Features | Guardian-RT (Medtronic Diabetes) | DexCom Seven (DexCom) | FreeStyle Navigator (Abbott Diabetes Care) |
|---|---|---|---|
| Update frequency (minutes) | 5 | 5 | 1 |
| Sensor lifespan approved for (days) | 3 | 7 | 5 |
| Start-up time (hours) | 2 | 2 | 10 |
| Customized hypoglycemic and hyperglycemic alarms | Yes | Yes | Yes |
| Trend arrows | Yes | No | Yes |
| Glucose graphs | Yes (3, 6, 12, and 24- h) | Yes (1, 3, and 9- h) with custom trend lines | Yes (2, 4, 6, and 24- h) |
| Predictive alerts | Yes | No | Yes |
| Approved for ages (years) | 7+ | 18+ | 18+ |
| Event markers for exercise | Yes | No | Yes |