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Browse canonical concepts by label, domain, node type, prefix and encoded class.
Current membership scope: Any direct membership
| Concept | Node type | Base domain | Matched membership | Identifier |
|---|---|---|---|---|
| Myography The recording of muscular movements. The apparatus is called a myograph, the record or tracing, a myogram. (From Stedman, 25th ed) | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010692 |
| Nardi test administration of morphine and neostigmine reproduces sharp LUQ pain; not in general use | Diagnostic procedure | Investigation | Investigation [base] | AMW:DIA:115023 |
| Nasal Lavage Irrigation of the nose with saline or irrigation solutions for diagnostic or therapeutic purposes. It is used to remove irritants, allergens, or micr… | Diagnostic lavage procedure | Investigation | Investigation [base] | AMW:TECH:050722 |
| Nasal Provocation Tests Application of allergens to the nasal mucosa. Interpretation includes observation of nasal symptoms, rhinoscopy, and rhinomanometry. Nasal provocatio… | Functional investigation | Investigation | Investigation [base] | AMW:TECH:010608 |
| Negative Staining The technique of washing tissue specimens with a concentrated solution of a heavy metal salt and letting it dry. The specimen will be covered with a … | Microbiology test | Laboratory Medicine | Investigation [role_derived] | AMW:TECH:010122 |
| Neonatal Screening The identification of selected parameters in newborn infants by various tests, examinations, or other procedures. Screening may be performed by clini… | Diagnostic screening | Investigation | Investigation [base] | AMW:TECH:010237 |
| Nephrostomy, Percutaneous The insertion of a catheter through the skin and body wall into the kidney pelvis, mainly to provide urine drainage where the ureter is not functiona… | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010662 |
| Nerve Conduction Studies Electrical tests to analyze the function of peripheral nerves by measuring various characteristics of NERVE CONDUCTION such as amplitude, velocity, a… | Functional investigation | Investigation | Investigation [base] | AMW:TECH:010529 |
| Neuroanatomical Tract-Tracing Techniques Methods used to label and follow the course of NEURAL PATHWAYS by AXONAL TRANSPORT of injected NEURONAL TRACT-TRACERS. | Diagnostic concept | Investigation | Investigation [base] | AMW:TECH:010123 |
| Neuroendoscopy PROCEDURES that use NEUROENDOSCOPES for disease diagnosis and treatment. Neuroendoscopy, generally an integration of the neuroendoscope with a comput… | Diagnostic procedure | Investigation | Investigation [base] | AMW:TECH:010530 |
| Neuromuscular Monitoring The use of peripheral nerve stimulation to assess transmission at the NEUROMUSCULAR JUNCTION, especially in the response to anesthetics, such as the … | Diagnostic monitoring | Investigation | Investigation [base] | AMW:TECH:010687 |
| Neurophysiological Monitoring The systematic checking of the condition and function of a patient's CENTRAL NERVOUS SYSTEM during disease periods or following injuries, using vario… | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010688 |
| Neutrophilic Leukocytosis Neutrophilic leukocytosis used as a ClinicalGraph target concept for investigation / lab_finding. | Laboratory Finding | Laboratory Medicine | Investigation [role_derived] | AMW:FIND:110003 |
| No Central Nervous System Lesion on Neuroimaging Absence of central nervous system lesion on neuroimaging used as a ClinicalGraph target concept for investigation / imaging_finding. | Radiological Sign | Radiology | Investigation [role_derived] | AMW:RAD:145001 |
| Nomograms Graphical representation of a statistical model containing scales for calculating the prognostic weight of a value for each individual variable. Nomo… | Diagnostic concept | Investigation | Investigation [base] | AMW:TECH:010770 |
| Noncompressible Upper Extremity Vein On Ultrasonography Noncompressible upper extremity vein on ultrasonography used as a ClinicalGraph target concept for investigation / imaging_finding. | Radiological Sign | Radiology | Investigation [role_derived] | AMW:RAD:125016 |
| noncontrast computed tomography of head Noncontrast computed tomography of head used as a ClinicalGraph target concept for investigation / investigation. | Investigation | Investigation | Investigation [base] | AMW:TECH:140028 |
| noncontrast computed tomography of kidneys ureters and bladder Noncontrast computed tomography of kidneys ureters and bladder used as a ClinicalGraph target concept for investigation / investigation. | Investigation | Investigation | Investigation [base] | AMW:TECH:140036 |
| Nonobstructive Coronary Arteries on Angiography Nonobstructive coronary angiography used as a ClinicalGraph target concept for investigation / imaging_finding. | Radiological Sign | Radiology | Investigation [role_derived] | AMW:RAD:125004 |
| Nuchal Translucency Measurement A prenatal ultrasonography measurement of the soft tissue behind the fetal neck. Either the translucent area below the skin in the back of the fetal … | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010446 |
| O'Brien's test Assesses the integrity of the glenoid labrum and AC joint | Provocative test | Investigation | Investigation [base] | AMW:DIA:115024 |
| Observer Variation The failure by the observer to measure or identify a phenomenon accurately, which results in an error. Sources for this may be due to the observer's … | Diagnostic concept | Investigation | Investigation [base] | AMW:TECH:010014 |
| Olfactometry Procedures for measuring a response to odorants. | Functional investigation | Investigation | Investigation [base] | AMW:TECH:010542 |
| Ophthalmodynamometry Measurement of the blood pressure of the retinal vessels. It is used also for the determination of the near point of convergence (CONVERGENCE, OCULAR… | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010570 |
| Ophthalmoscopy Examination of the interior of the eye with an ophthalmoscope. | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010571 |
| Optically Stimulated Luminescence Dosimetry The use of a radiation monitoring device composed of material which emits light after being illuminated. The amount of light emitted is proportional … | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:050684 |
| Organ Size The measurement of an organ in volume, mass, or heaviness. | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010719 |
| Oscillometry The measurement of frequency or oscillation changes. | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:050660 |
| Osmometry Measurement of the OSMOLARITY of solutions or BODY FLUIDS. | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:050118 |
| Otoscopy Examination of the EAR CANAL and eardrum with an OTOSCOPE. | Diagnostic procedure | Investigation | Investigation [base] | AMW:TECH:010596 |