| pacemaker → IsA → small device | 0.80 | |
| pacemaker → IsA → device | 0.62 | |
| pacemaker → IsA → electronic device | 0.50 | |
| pacemaker → IsA → small, battery-operated device | 0.47 | |
| pacemaker → IsA → implantable device | 0.41 | |
| pacemaker → IsA → small implantable device | 0.36 | |
| pacemaker → IsA → class iii devices | 0.16 |