Catheter, pulmonary artery
Catheter, pulmonary artery: A light flexible balloon-tipped tube that is introduced into the pulmonary artery (the artery from the right ventricle of the heart to the lungs). See also: Catheter, Swann-Ganz.
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- Catheter, Swan-Ganz
Catheter, Swan-Ganz: A style of oximetry catheter that is inserted into a major vein under the collarbone or in the neck, threaded through the right side of the heart, and then threaded into the pulmonary artery. Physicians can use monitoring equipment with a Swan-Ganz catheter to measure blood pressure inside the heart and to find […]
- Catheterization, venous
Catheterization, venous: The insertion of a tiny tube (a catheter) into a peripheral or central vein to deliver fluids or medication. This is the most frequently used method for the administration of intravenous (IV) fluids and IV meds (medications). The most common complications of venous catheterization are infiltration of fluid around the catheter, failure of […]
- Cathexis
Cathexis: In psychiatry, the concentration of psychic energy on an idea.
- Cation
Cation: In chemistry, a positively charged ion. Pronounced cat-I-on. A cation is as opposed to an anion, which is a negatively charged ion.
- Cauda equina
Cauda equina: A bundle of spinal nerve roots that arise from the end of the spinal cord. The cauda equina comprises the roots of all the spinal nerves below the first lumbar (L1) vertebra in the lower back.