Table 2: Technical Characteristics of the Reveal XT and Newer-generation Reveal LINQ Implantable Loop Recorders. The Reveal LINQ is Smaller and More Suitable for Paediatric Patients.
| Characteristics | Reveal LINQ | Reveal XT |
| Q5 |  |
 |
| Dimensions (mm) | 44.8 × 7.2 × 4.0 | 62.0 × 19.0 × 8.0 |
| Weight (g) | 2.5 | 15 |
| Volume (mL) | 1.2 | 9 |
| Duration (years) | 3 | 3 |
| Implantation method | Injection (minimally invasive skin incision and insertion) | Subcutaneous pocket |
| MRI compatibility | 1.5 and 3 T | 1.5 and 3 T |
| Scan time limits (minutes) | No limits | 30 |
| Wireless | Yes | No |
| Algorithm for R-wave sensing | Dynamic sensing threshold | Dynamic sensing threshold |
| AF algorithm based also on P wave | Yes | No |
| Conditions detected | Asystole, bradycardia, V T, V F, AT, AF | Asystole, bradycardia, VT, VF, AT, AF |
| Automatic activation | Yes | Yes |
| Patient-activated | Yes | Yes |
| Total ECG storage (minutes) | 59 (27 automatic + 2 AF + 30 manual activation) | 49.5 |
| Total ECG storage upon patient activation | 30 | 22.5 |
| (minutes) | ||
| Maximal length of registration per | 14 pre- + 1 post-activation | 14 pre- + 1 post-activation |
| symptomatic episode (minutes) GSM monitor | Yes (at home) | No |
| Remote transmission of data | Complete | Complete |
| Possibility of programming alarms | Yes | No |
AF: atrial fibrillation; AT: atrial tachycardia; MRI: magnetic resonance imaging; VF: ventricular fibrillation; VT: ventricular tachycardia.