Decongestant
Decongestant: A drug that shrinks the swollen membranes in the nose, making it easier for a person to breathe. Decongestants can be taken orally or as nasal spray. Decongestant nasal spray should not be used for more than 5 days without a physician’s recommendation. Many decongestant nasal sprays cause a worsening of symptoms (a rebound effect) when they are taken for too long and then discontinued. Decongestants should not be used by people who have high blood pressure unless they are under a physician’s supervision.
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- Decortication
Decortication: Removal of part or all of the outer surface of an organ such as the lung, kidney, or brain.
- Decubitus
Decubitus: Lying down. A decubitus ulcer is a bed sore, the consequence of lying or sitting in one position too long. The Latin “decubitus” (meaning lying down) is related to “cubitum” (the elbow) reflecting the fact the Romans habitually rested on their elbows when they reclined.
- Decubitus ulcer
Decubitus ulcer: A bed sore, a skin ulcer that comes from lying in one position too long so that the circulation in the skin is compromised by the pressure, particularly over a bony prominence such as the sacrum (sacral decubitus). The Latin “decubitus” (meaning lying down) is related to “cubitum” (the elbow) reflecting the fact […]
- Deep
Deep: In anatomy, away from the surface or further into the body. As opposed to superficial. The bones are deep to the skin. For a more complete listing of terms used in medicine for spatial orientation, please see the entry to “Anatomic Orientation Terms”.
- Deep vein thrombosis
A blood clot within a deep vein, typically in the thigh or leg. The blood clot (thrombus) can break off as an embolus and make its way to the lung, where it can cause lung problems. Abbreviated DVT. Also known as economy-class syndrome.