| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Quantitative photoplethysmography, arterial | Is a | Quantitative photoplethysmography, vascular | true | Inferred relationship | Existential restriction modifier |  |  | 
| Quantitative photoplethysmography, arterial | Is a | Procedure on artery | true | Inferred relationship | Existential restriction modifier |  |  | 
| Quantitative photoplethysmography, arterial | Is a | Diagnostic procedure on blood vessel | false | Inferred relationship | Existential restriction modifier |  |  | 
| Quantitative photoplethysmography, arterial | Has intent | Diagnostic intent | false | Inferred relationship | Existential restriction modifier |  |  | 
| Quantitative photoplethysmography, arterial | Procedure site | Arterial structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Quantitative photoplethysmography, arterial | Method | Measurement - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Quantitative photoplethysmography, arterial | Method | Investigation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Quantitative photoplethysmography, arterial | Is a | Anatomic measurement | false | Inferred relationship | Existential restriction modifier |  |  | 
| Quantitative photoplethysmography, arterial | Is a | Cardiovascular investigation | true | Inferred relationship | Existential restriction modifier |  |  | 
| Quantitative photoplethysmography, arterial | Method | Measurement - action | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Quantitative photoplethysmography, arterial | Procedure site | Arterial structure | true | Inferred relationship | Existential restriction modifier | 1 |  |