Nodes

Tests involving inhalation of allergens (nebulized or in dust form), nebulized pharmacologically active solutions (e.g., histamine, methacholine), or…

Washing out of the lungs with saline or mucolytic agents for diagnostic or therapeutic purposes. It is very useful in the diagnosis of diffuse pulmon…

Radiography of the bronchial tree after injection of a contrast medium.

Endoscopic examination, therapy or surgery of the bronchi.

Spirometric technique in which the volume of air breathed in the right and left lung is recorded separately.

Elicitation of a rotatory nystagmus by stimulating the semicircular canals with water or air which is above or below body temperature. In warm calori…

Continuous recording of the carbon dioxide content of expired air.

Non-invasive, endoscopic imaging by use of VIDEO CAPSULE ENDOSCOPES to perform examination of the gastrointestinal tract, especially the small bowel.

Procedures in which placement of CARDIAC CATHETERS is performed for therapeutic or diagnostic procedures.

Visualization of the heart structure and cardiac blood flow for diagnostic evaluation or to guide cardiac procedures via techniques including ENDOSCO…

The volume of BLOOD passing through the HEART per unit of time. It is usually expressed as liters (volume) per minute so as not to be confused with S…

Created as a target node for a staged ClinicalGraph edge. Review and enrich this node later if needed.

A type of impedance plethysmography in which bioelectrical impedance is measured between electrodes positioned around the neck and around the lower t…

Cardiomegaly on chest radiography used as a ClinicalGraph target concept for investigation / investigation_finding.

Monitoring of FETAL HEART frequency before birth in order to assess impending prematurity in relation to the pattern or intensity of antepartum UTERI…

A measurement of the thickness of the carotid artery walls. It is measured by B-mode ULTRASONOGRAPHY and is used as a surrogate marker for ATHEROSCLE…

The transit time of an AORTIC PRESSURE wave between the COMMON CAROTID ARTERY and the COMMON FEMORAL ARTERY. It is a standard measure of ARTERIAL STI…

intradermal injection of hydatid fluid causing wheal

Placement of a balloon-tipped catheter into the pulmonary artery through the antecubital, subclavian, and sometimes the femoral vein. It is used to m…

Methods for maintaining or growing CELLS in vitro.

Methods for growing cells in a way that they form three-dimensional shapes, such as on a three-dimensionally shaped substrate or as free-falling aggr…

Assays that measure the rate of migration of MACROPHAGES. They may involve the use hollow plastic chamber, sealed at one end with a porous membrane a…

Techniques for separating distinct populations of cells.

Non-invasive imaging of cells that have been labeled non-destructively, such as with nanoemulsions or reporter genes that can be detected by molecula…

The measurement of the dimensions of the HEAD.

Radiography of the ventricular system of the brain after injection of air or other contrast medium directly into the cerebral ventricles. It is used …

A parameter usually used in PRENATAL ULTRASONOGRAPHY to measure the length of the uterine neck (CERVIX UTERI). Cervical length or its shortening is u…

Fiberoptic endoscopy designed for duodenal observation and cannulation of VATER'S AMPULLA, in order to visualize the pancreatic and biliary duct syst…

Radiography of the gallbladder after ingestion of a contrast medium.

The shortest duration of an electrical stimulus where the threshold amplitude is twice the rheobase - the minimum required for eliciting an ACTION PO…