| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Pulmonary perfusion imaging, particulate | Is a | Pulmonary perfusion study | true | Inferred relationship | Existential restriction modifier |  |  | 
| Pulmonary perfusion imaging, particulate | Method | Radionuclide imaging - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Method | Investigation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Pulmonary perfusion imaging, particulate | Procedure site | Structure of cardiovascular system | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Pulmonary perfusion imaging, particulate | Direct substance | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Pulmonary perfusion imaging, particulate | Method | Radionuclide imaging - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Method | Radionuclide imaging - action | false | Inferred relationship | Existential restriction modifier | 6 |  | 
| Pulmonary perfusion imaging, particulate | Procedure site | Blood vessel structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Procedure site | Lung structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Procedure site | Lung structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Has intent | Diagnostic intent | false | Inferred relationship | Existential restriction modifier |  |  | 
| Pulmonary perfusion imaging, particulate | Measures | Vascular flow, function | false | Inferred relationship | Existential restriction modifier |  |  | 
| Pulmonary perfusion imaging, particulate | Procedure site | Thoracic structure | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Pulmonary perfusion imaging, particulate | Method | Radionuclide imaging - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Method | Structure of cardiovascular system | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Method | Introduction - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Method | Radionuclide imaging - action | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Pulmonary perfusion imaging, particulate | Method | Radionuclide imaging - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Method | Radionuclide imaging - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Method | Radionuclide imaging - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Direct substance | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Direct substance | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Direct substance | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Direct substance | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Procedure site | Body system structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Direct substance | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Direct substance | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Direct substance | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Direct substance | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Is a | Nuclear medicine diagnostic procedure on cardiovascular system | false | Inferred relationship | Existential restriction modifier |  |  | 
| Pulmonary perfusion imaging, particulate | Is a | Angiography | false | Inferred relationship | Existential restriction modifier |  |  | 
| Pulmonary perfusion imaging, particulate | Using substance | Radioactive isotope | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Using substance | Radioactive isotope | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Procedure site - Direct | Blood vessel structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Procedure site - Direct | Lung structure | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Method | Radionuclide imaging - action | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Method | Radionuclide imaging - action | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Pulmonary perfusion imaging, particulate | Procedure site - Direct | Structure of pulmonary blood vessel | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Pulmonary perfusion imaging, particulate | Is a | Scanning or imaging, perfusion study, particulate | true | Inferred relationship | Existential restriction modifier |  |  |