ouabain(redirected from Ouabaine)
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, any of several chemically similar drugs used primarily to increase the force and rate of heart contractions, especially in damaged heart muscle. The effects of the drug were known as early as 1500 B.C.
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C29H44O12·8H2O White crystals that melt with decomposition at 190°C, soluble in water and ethanol; used in medicine.