TABLE 1
Observations Relating to Metallic Artifact in 15 Patient Studies
| Study no. | Pacing lead(s) present? | Size of μ-map artifact from pacing lead
 | Visible artifact from pacing lead? | ICD lead present? | Size of μ-map artifact from ICD shock coil
 | Distance from shock coil to left ventricle (mm) | Visible artifact from ICD lead? | Relative PET/CT uptake at lead | Relative PET uptake at lead | Magnitude of artifact (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Yes | 0.04 | No | No | — | — | — | — | — | — |
| 2 | No | — | — | Yes | 0.45 | 15 | Yes | 1.60 | 1.22 | 31 |
| 3 | Yes | 0.05 | No | No | — | — | — | — | — | — |
| 4 | Yes | 0.01 | No | No | — | — | — | — | — | — |
| 5 | No | — | — | Yes | 0.20 | 16 | No | — | — | — |
| 6 | Yes (2) | 0.06, 0.07 | No | No | — | — | — | — | — | — |
| 7 | Yes | 0.05 | No | Yes | 0.59 | 0 | Yes | 1.44 | 1.11 | 30 |
| 8 | No | — | — | Yes | 0.16 | 24 | No | — | — | — |
| 9 | Yes (2) | 0.04, 0.02 | No | Yes | 0.58 | 0 | Yes | 1.46 | 1.28 | 14 |
| 10 | No | — | — | Yes | 0.22 | 20 | No | — | — | — |
| 11 | Yes | 0.02 | No | Yes | 0.54 | 8 | Yes | 1.81 | 1.22 | 48 |
| 12 | No | — | — | Yes | 0.74 | 17 | No | — | — | — |
| 13 | Yes (2) | 0.07, 0.05 | No | No | — | — | — | — | — | — |
| 14 | Yes | 0.05 | No | Yes | 0.50 | 14 | No | — | — | — |
| 15 | Yes | 0.04 | No | Yes | 0.30 | 3 | Yes | 1.63 | 1.27 | 28 |