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Cerebral Oximeter

Cerebral Oximetry · NIRS Monitor · Near-Infrared Spectroscopy Monitor · Regional Oximeter · Brain Oxygen Monitor · Invos

A small bedside monitor with a screen, connected by cables to sensors that stick on the patient's skin. It shows a regional saturationsach-uh-RAY-shunHow full something is; in nursing, usually the percentage of hemoglobin in the blood that is carrying oxygen.Full entry number (rSO2) and its trend.

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Class
Equipment
On setups
4

On the table

What it does and the lengths it comes in.

  • What it’s for

    Watches the oxygen level in the brain tissue without needles, using near-infrared light that oxygenationok-sih-juh-NAY-shunThe process of getting oxygen into the blood and delivering it to the body's tissues.Full entry and deoxygenated hemoglobin absorptionub-ZORP-shunThe taking in of a substance, such as a drug or a nutrient, into the bloodstream.Full entry differently. Used during cardiopulmonarykar-dee-oh-PUL-muh-nair-eeRelating to the heart and lungs together.cardi/o heartpulmon/o lung-ary relating toFull entry bypass and aortic arch surgery (AmSECT guidelines say it should be used during bypass), in pediatric and congenitalkun-JEN-ih-tulPresent at birth.con- withgen birth, origin-al relating toFull entry bypass (where AmSECT lists it among the things the perfusionist tracks), and in TEVAR when stentstentA small tube, often of metal mesh, placed inside a vessel or duct to hold it open.Full entry graftGRAFTTissue or a man-made material moved into place in surgery to replace or repair a damaged part.Full entry cover the openings of the carotidkuh-ROT-idHaving to do with the carotid arteries, the two large arteries on each side of the neck that carry blood to the head and brain.Full entry or brachiocephalic arteries. A drop in the reading during surgery can be linked to brain injury after surgery, so the team acts on it.

  • Lengths and variants

    Adult, pediatric and neonatal sensors. Some units also monitor somaticsoh-MAT-ikRelating to the body, as opposed to the mind.somat/o body-ic relating toFull entry (body) sites as well as the brain.

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5 sources
  1. Wahba A, et al. 2024 EACTS/EACTAIC/EBCP Guidelines on cardiopulmonary bypass in adult cardiac surgery. Section 10.2.1 (Neuromonitoring)
  2. AmSECT. Standards and Guidelines for Perfusion Practice. Guideline 7.5, p. 13
  3. AmSECT. Standards and Guidelines for Pediatric and Congenital Perfusion Practice. Standard 9, p. 13
  4. TEVAR open-access review (PMC9807668), Section 5.3 (Cerebral oximetry)
  5. somatechnology.com

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