Public registry
Nodes
Browse canonical concepts by label, domain, node type, prefix and encoded class.
Current membership scope: Base domain only
| Concept | Node type | Base domain | Matched membership | Identifier |
|---|---|---|---|---|
| Raised Hemidiaphragm Elevated hemidiaphragm on CXR; consider phrenic nerve palsy, atelectasis, or subphrenic causes. | Radiological Sign | Radiology | Base domain | AMW:RAD:020023 |
| Ramus of ischium ischial ramus | Radiological Anatomy | Radiology | Base domain | AMW:RAD:030064 |
| Rarefying osteitis | Radiological Sign | Radiology | Base domain | AMW:RAD:110363 |
| Rat-bite Sign sharply marginated, overhanging bony erosions usually associated with gouty arthritis | Radiological Sign | Radiology | Base domain | AMW:RAD:110205 |
| Rat-tail Sign irregularly marginated tapering of esophagus in achalasia AKA Bird's Beak Sign; or of bronchus and biliary duct in carcinoma | Radiological Sign | Radiology | Base domain | AMW:RAD:110203 |
| Reduced Left Ventricular Ejection Fraction Reduced left ventricular ejection fraction used as a ClinicalGraph target concept for investigation / imaging_finding. | Radiological Sign | Radiology | Base domain | AMW:RAD:125008 |
| reduced left ventricular function Created as a target node for a staged ClinicalGraph edge. Review and enrich this node later if needed. | Radiological Sign | Radiology | Base domain | AMW:RAD:125002 |
| Reduced Striatal Dopaminergic Uptake On Functional Imaging Reduced striatal dopaminergic uptake on functional imaging used as a ClinicalGraph target concept for investigation / imaging_finding. | Radiological Sign | Radiology | Base domain | AMW:RAD:145006 |
| region extending from the nipple in flame shaped distribution, representative of gynecomastia | Radiological Sign | Radiology | Base domain | AMW:RAD:110099 |
| Renal Pelvicalyceal Dilatation Dilatation of renal pelvis and calyces used as a ClinicalGraph target concept for investigation / imaging_finding. | Radiological Sign | Radiology | Base domain | AMW:RAD:165001 |
| Respiratory-Gated Imaging Techniques Timing the acquisition of imaging data to specific points in the breathing cycle to minimize image blurring and other motion artifacts. The images ar… | Imaging Investigation | Radiology | Base domain | AMW:TECH:010413 |
| Restricted Diffusion In Cerebral Tissue Restricted diffusion in cerebral tissue used as a ClinicalGraph target concept for investigation / imaging_finding. | Radiological Sign | Radiology | Base domain | AMW:RAD:145007 |
| Reverse 3 Sign (GI) appearance of inner margin of duodenal loop from enlarged head of pancreas with tethering at ampulla | Radiological Sign | Radiology | Base domain | AMW:RAD:110209 |
| Reverse Hamburger on Bun Sign inverted appearance of facet joints on CT and MRI in facet joint dislocation | Radiological Sign | Radiology | Base domain | AMW:RAD:110214 |
| Reverse Pulmonary Edema peripheral airspace disease with sparing of central lung esp in pulmonary infiltrates with eosinophilia | Radiological Sign | Radiology | Base domain | AMW:RAD:110208 |
| Reversed batwing sign | Radiological Sign | Radiology | Base domain | AMW:RAD:110364 |
| Reversed Halo Sign rounded ground-glass attenuation circled by ring of denser consolidation | Radiological Sign | Radiology | Base domain | AMW:RAD:110212 |
| Reversible Myocardial Perfusion Defect Reversible myocardial perfusion defect used as a ClinicalGraph target concept for investigation / imaging_finding. | Radiological Sign | Radiology | Base domain | AMW:RAD:125005 |
| Rib 1 Rib 1 as labelled on CXR. | Radiological Sign | Radiology | Base domain | AMW:RAD:020086 |
| Rib 10 Rib 10 as labelled on CXR. | Radiological Sign | Radiology | Base domain | AMW:RAD:020095 |
| Rib 10 tenth rib | Radiological Anatomy | Radiology | Base domain | AMW:RAD:030019 |
| Rib 11 Rib 11 as labelled on CXR. | Radiological Sign | Radiology | Base domain | AMW:RAD:020096 |
| Rib 11 eleventh rib (floating) | Radiological Anatomy | Radiology | Base domain | AMW:RAD:030020 |
| Rib 12 Rib 12 as labelled on CXR. | Radiological Sign | Radiology | Base domain | AMW:RAD:020097 |
| Rib 12 twelfth rib (floating) | Radiological Anatomy | Radiology | Base domain | AMW:RAD:030021 |
| Rib 2 Rib 2 as labelled on CXR. | Radiological Sign | Radiology | Base domain | AMW:RAD:020087 |
| Rib 3 Rib 3 as labelled on CXR. | Radiological Sign | Radiology | Base domain | AMW:RAD:020088 |
| Rib 4 Rib 4 as labelled on CXR. | Radiological Sign | Radiology | Base domain | AMW:RAD:020089 |
| Rib 5 Rib 5 as labelled on CXR. | Radiological Sign | Radiology | Base domain | AMW:RAD:020090 |
| Rib 6 Rib 6 as labelled on CXR. | Radiological Sign | Radiology | Base domain | AMW:RAD:020091 |