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 |
| QRS interval | Is a | EKG wave, interval AND/OR segment | true | Inferred relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Narrow QRS complex | Interprets | False | QRS interval | Inferred relationship | Some | |
| Wide QRS complex | Interprets | True | QRS interval | Inferred relationship | Some | 3 |
| Regular wide QRS complex tachycardia | Interprets | True | QRS interval | Inferred relationship | Some | 5 |
This concept is not in any reference sets