Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| PR interval feature | Is a | ECG waveform | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| PR interval duration | Is a | True | PR interval feature | Inferred relationship | Some | |
| Electrocardiogram: P-R interval NOS | Is a | False | PR interval feature | Inferred relationship | Some | |
| Prolonged PR interval | Interprets | True | PR interval feature | Inferred relationship | Some | 2 | 
| PR elevation | Interprets | True | PR interval feature | Inferred relationship | Some | 2 | 
| PR depression | Interprets | True | PR interval feature | Inferred relationship | Some | 2 | 
| Sloping PR interval | Interprets | True | PR interval feature | Inferred relationship | Some | 2 | 
| Shortened PR interval (finding) | Interprets | True | PR interval feature | Inferred relationship | Some | 2 | 
| PR interval - finding | Interprets | True | PR interval feature | Inferred relationship | Some | 1 | 
| ECG: P-R interval normal | Interprets | True | PR interval feature | Inferred relationship | Some | 2 | 
| ECG: P-R interval abnormal | Interprets | True | PR interval feature | Inferred relationship | Some | 2 | 
This concept is not in any reference sets