Mindblown: a blog about philosophy.
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Open suction
Clearing the airways of a mechanically ventilated patient with a suction catheter inserted into the endotracheal tube after the patient has been disconnected from the ventilator circuit.
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Nasogastric suction
The suction of gas, fluid, and solid material from the gastrointestinal tract by use of a tube extending from the suction device to the stomach or intestines via the nasal passage.
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Closed suction
The incorporation of a suction system into a mechanical ventilator that permits airway suctioning without disconnecting patients from the ventilator. Closed suctioning prevents loss of PEEP and loss of alveolar volume, and decreases contamination of the airway or the ventilator circuit by gases, germs, liquids, or fomites in the intensive care unit.
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Sucralose
A sugar substitute manufactured by replacing hydroxyl groups on a sucrose molecule with chloride. It adds a sweet taste to foods without adding calories. An artificial sweetener with no caloric content, produced by combining sugar molecules and chlorine particles. This substance is approximately 600 times more saccharine than table sugar and is widely lauded for…
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Succinylacetone
A potentially toxic by-product of tyrosine metabolism. It accumulates in excessive concentrations in the blood of patients with type 1 tyrosinemia and is responsible for some of the symptoms of the disease.
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Succimer
An oral drug (2,3-dimercaptosuccinic acid) used to remove lead from the body by chelation. It is used primarily to treat children with acute lead intoxication. Its side effects include gastrointestinal upset, skin rashes, and elevated liver function test results.
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Subvolution
A method of turning over a flap surgically to prevent adhesions, particularly involving a pterygium of the eye.
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Subvertebral
Beneath, or on the ventral side of, the vertebral column or a vertebra.
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Subunit
In chemistry, a portion of a compound that represents a smaller part of the molecule than the remainder of the substance.
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Subungual hematoma
A collection of blood under the nail as a result of trauma. This condition may be treated by heating the end of a paper clip and then placing its point against the nail, which permits a small hole to be melted painlessly in the nail and allows the trapped blood to escape.
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