NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,913 terms related to cancer and medicine.

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deep sedation
(… seh-DAY-shun)
A level of sedation in which a person is in a deep sleep, loses feeling, and is hard to wake up. Deep sedation is caused by special drugs and is used to help relieve anxiety during certain medical or surgical procedures. Oxygen may also be given to help the patient breathe and drugs that relieve pain may be given at the same time. The patient usually does not remember the procedure.