| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Removal of electronic heart device pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of electronic heart device, pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of pacemaker with replacement of pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 3 | 
| Repair of pacemaker with replacement of pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 5 | 
| Repair of cardiac pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of cardioverter/defibrillator pulse generator without replacement | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of pacemaker with replacement of pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of pacemaker with replacement of pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 3 | 
| Repair of pacemaker with replacement of pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 3 | 
| Repair of pacemaker with replacement of pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 4 | 
| Repair of pacemaker with replacement of pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 4 | 
| Repair of pacemaker with replacement of pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 3 | 
| Repair of pacemaker with replacement of pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of pacemaker with replacement of pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 3 | 
| Removal of electronic heart device pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of cardioverter/defibrillator pulse generator without replacement | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of cardioverter/defibrillator pulse generator without replacement | Direct device | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of cardiac pulse generator | Direct device | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of electronic heart device pulse generator | Direct device | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of cardiac pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Dual chamber pulse generator, device | Is a | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier |  | 
| Single chamber pulse generator, device | Is a | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier |  | 
| Repair of pacemaker with replacement of pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of pacemaker pulse generator | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of pacemaker pulse generator | Direct device | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of permanent cardiac pacemaker pulse generator and electrode | Direct device | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 2 | 
| Replacement of electronic heart device, pulse generator | Direct device | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 4 | 
| Repair of pacemaker with replacement of pulse generator | Direct device | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 3 | 
| Replacement of pulse generator of permanent cardiac pacemaker using fluoroscopic guidance | Direct device | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 3 | 
| Replacement of pulse generator of implantable cardioverter defibrillator using fluoroscopic guidance | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 2 | 
| Replacement of pulse generator of implantable cardioverter defibrillator using fluoroscopic guidance | Direct device | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 2 | 
| Disorder of pacemaker pulse generator | Associated with | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Pacemaker pulse generator failure | Associated with | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 2 | 
| Infection of pacemaker pulse generator site | Associated with | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 2 | 
| Superficial ulcer of skin of pacemaker pulse generator site | Associated with | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 2 | 
| Hematoma of pacemaker pulse generator site | Associated with | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 2 | 
| Insertion of pulse generator of implantable cardioverter defibrillator | Direct device | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Pacemaker generator dysfunction | Associated with | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 2 | 
| Cardiac resynchronization therapy defibrillator pulse generator | Is a | True | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier |  | 
| Replacement of pulse generator of permanent cardiac pacemaker using fluoroscopic guidance (procedure) | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of pulse generator of implantable cardioverter defibrillator using fluoroscopic guidance (procedure) | Direct device | False | Pacemaker pulse generator, device | Inferred relationship | Existential restriction modifier | 1 |