A compound obtained from cinchona bark and used to treat irregularities of heart rhythm. It is an isomer of quinine.
- ‘Treatment choices are to change the rhythm back to normal and maintain it with medications such as digitalis, quinidine, or other medicines or by electrical stunning of the heart (cardioversion).’
- ‘Intestinal absorption of penicillin, captopril, ciprofloxacin, quinidine and zidovudine was reported to be reduced when given with food.’
- ‘This has been shown to occur with penicillin, valproic acid, quinidine, sulfonamides, cimetidine and heparin.’
- ‘Metformin also may interact with medications such as cimetidine, digoxin, amiloride, quinidine, vancomycin, and trimethoprim, and may interfere with vitamin B12 absorption.’
- ‘Sinus node dysfunction is usually caused by drugs such as digoxin, quinidine, or procainamide.’
Mid 19th century: from Spanish quina cinchona bark (from Quechua kina bark) + -ide + -ine.
We take a look at several popular, though confusing, punctuation marks.