| narcotic addict |
One who has become physiologically or psychologically dependent upon narcotics. SEE: drug addiction.
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| narcotic antagonist |
A drug that prevents or reverses the action of a narcotic. SEE: nalorphine hydrochloride.
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| narcotic poisoning |
Poisoning caused by narcotic or sleep-producing drugs such as opium and its derivatives. SYMPTOMS: The patient may experience brief exhilaration followed by drowsiness, respiratory depression, or c
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| narrow complex tachycardia |
Tachycardia in which the duration of the QRS complex is less than 0.12 seconds. Most narrow complex tachycardias originate from a pacemaker above the ventricles, and are therefore supraventricular tachycardias.
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| narrow spectrum |
A term that refers to an antibiotic effective against only a few microorganisms.
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