noun \ˈkwi-nə-ˌdēn\

Definition of QUINIDINE

:  an alkaloid C20H24N2O2 that is stereoisomeric with quinine and is used in the form of its sulfate or gluconate to treat cardiac rhythm irregularities


International Scientific Vocabulary, from quinine
First Known Use: 1836


noun \ˈkwin-ə-ˌdēn, -dən\   (Medical Dictionary)

Medical Definition of QUINIDINE

: a crystalline dextrorotatory stereoisomer of quinine found in some species of cinchona and used chiefly in the form of its hydrated sulfate (C20H24N2O2)2·H2SO4·2H2O to treat irregularities of cardiac rhythm and sometimes in place of quinine as an antimalarial


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