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Browse canonical concepts by label, domain, node type, prefix and encoded class.

526 results

Current membership scope: Any direct membership

ConceptNode typeBase domainMatched membershipIdentifier
Myography
The recording of muscular movements. The apparatus is called a myograph, the record or tracing, a myogram. (From Stedman, 25th ed)
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:010692
Nardi test
administration of morphine and neostigmine reproduces sharp LUQ pain; not in general use
Diagnostic procedureInvestigationInvestigation [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 procedureInvestigationInvestigation [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 investigationInvestigationInvestigation [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 testLaboratory MedicineInvestigation [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 screeningInvestigationInvestigation [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 measurementInvestigationInvestigation [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 investigationInvestigationInvestigation [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 conceptInvestigationInvestigation [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 procedureInvestigationInvestigation [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 monitoringInvestigationInvestigation [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 measurementInvestigationInvestigation [base]AMW:TECH:010688
Neutrophilic Leukocytosis
Neutrophilic leukocytosis used as a ClinicalGraph target concept for investigation / lab_finding.
Laboratory FindingLaboratory MedicineInvestigation [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 SignRadiologyInvestigation [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 conceptInvestigationInvestigation [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 SignRadiologyInvestigation [role_derived]AMW:RAD:125016
noncontrast computed tomography of head
Noncontrast computed tomography of head used as a ClinicalGraph target concept for investigation / investigation.
InvestigationInvestigationInvestigation [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.
InvestigationInvestigationInvestigation [base]AMW:TECH:140036
Nonobstructive Coronary Arteries on Angiography
Nonobstructive coronary angiography used as a ClinicalGraph target concept for investigation / imaging_finding.
Radiological SignRadiologyInvestigation [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 measurementInvestigationInvestigation [base]AMW:TECH:010446
O'Brien's test
Assesses the integrity of the glenoid labrum and AC joint
Provocative testInvestigationInvestigation [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 conceptInvestigationInvestigation [base]AMW:TECH:010014
Olfactometry
Procedures for measuring a response to odorants.
Functional investigationInvestigationInvestigation [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 measurementInvestigationInvestigation [base]AMW:TECH:010570
Ophthalmoscopy
Examination of the interior of the eye with an ophthalmoscope.
Physiologic measurementInvestigationInvestigation [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 measurementInvestigationInvestigation [base]AMW:TECH:050684
Organ Size
The measurement of an organ in volume, mass, or heaviness.
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:010719
Oscillometry
The measurement of frequency or oscillation changes.
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:050660
Osmometry
Measurement of the OSMOLARITY of solutions or BODY FLUIDS.
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:050118
Otoscopy
Examination of the EAR CANAL and eardrum with an OTOSCOPE.
Diagnostic procedureInvestigationInvestigation [base]AMW:TECH:010596