Methacholine chloride | definition of methacholine chloride by Medical dictionary
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meth·a·cho·line chlor·ide (meth'ă-kō'lēn klōr'īd),
A derivative of acetylcholine; a parasympatomimetic agent used as a bronchoconstrictor in testing for bronchial hyperreactivity.
methacholine chloride (mĕth″ă-kō′lēn)
A parasympathomimetic bronchoconstrictor similar to acetylcholine, used as an aerosol in different strengths in airway challenge tests.
CAUTION!This substance should be used only for diagnostic purposes under the supervision of a physician trained in and thoroughly familiar with all aspects of the technique. Emergency resuscitation devices and medication should be available to treat respiratory distress.