Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 256543016 | QRS complex | en | Synonym (core metadata concept) | Active | Entire term case sensitive (core metadata concept) | SNOMED CT core | 
| 256544010 | QRS complex feature | en | Synonym (core metadata concept) | Active | Entire term case sensitive (core metadata concept) | SNOMED CT core | 
| 546335014 | QRS complex feature (observable entity) | en | Fully specified name | Active | Entire term case sensitive (core metadata concept) | SNOMED CT core | 
| 1150521000052116 | särdrag hos QRS-komplex | sv | Synonym (core metadata concept) | Active | Only initial character case insensitive (core metadata concept) | SNOMED CT Sweden NRC maintained module (core metadata concept) | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| QRS complex feature (observable entity) | Is a | ECG waveform | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| QRS complex duration | Is a | True | QRS complex feature (observable entity) | Inferred relationship | Some | |
| QRS complex height | Is a | True | QRS complex feature (observable entity) | Inferred relationship | Some | |
| QRS complex shape | Is a | True | QRS complex feature (observable entity) | Inferred relationship | Some | |
| Electrocardiogram: QRS complex NOS | Is a | False | QRS complex feature (observable entity) | Inferred relationship | Some | |
| QRS complex height increased | Interprets | True | QRS complex feature (observable entity) | Inferred relationship | Some | 2 | 
| QRS complex height decreased | Interprets | True | QRS complex feature (observable entity) | Inferred relationship | Some | 2 | 
| Narrow QRS complex | Interprets | False | QRS complex feature (observable entity) | Inferred relationship | Some | |
| Wide QRS complex | Interprets | True | QRS complex feature (observable entity) | Inferred relationship | Some | 2 | 
| QRS complex - finding | Interprets | True | QRS complex feature (observable entity) | Inferred relationship | Some | 1 | 
| ECG: QRS complex normal | Interprets | True | QRS complex feature (observable entity) | Inferred relationship | Some | 2 | 
| ECG: QRS complex abnormal | Interprets | True | QRS complex feature (observable entity) | Inferred relationship | Some | 2 | 
This concept is not in any reference sets