| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Scanning or imaging, perfusion study, gaseous | Is a | Nuclear medicine diagnostic procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Scanning or imaging, perfusion study, gaseous | Has intent | Diagnostic intent | false | Inferred relationship | Existential restriction modifier |  |  | 
| Scanning or imaging, perfusion study, gaseous | Method | Radionuclide imaging - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Scanning or imaging, perfusion study, gaseous | Method | Investigation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Scanning or imaging, perfusion study, gaseous | Is a | Nuclear medicine imaging procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Scanning or imaging, perfusion study, gaseous | Direct substance | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Scanning or imaging, perfusion study, gaseous | Is a | Nuclear medicine diagnostic procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Scanning or imaging, perfusion study, gaseous | Method | Introduction - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Scanning or imaging, perfusion study, gaseous | Is a | Nuclear medicine imaging procedure | true | Inferred relationship | Existential restriction modifier |  |  | 
| Scanning or imaging, perfusion study, gaseous | Using substance | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Scanning or imaging, perfusion study, gaseous | Method | Radionuclide imaging - action | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Scanning or imaging, perfusion study, gaseous | Using substance | Radioactive isotope | true | Inferred relationship | Existential restriction modifier | 1 |  |