Quinidine

==Mechanism== Like all other class I antiarrhythmic agents, quinidine primarily works by blocking the fast inward sodium current (INa). Quinidine`s effect on INa is known as a `use dependent block`. This means at higher heart rates, the block increases, while at lower heart rates, the block decreases. The effect of blocking the fast inward sodi......
Found on http://en.wikipedia.org/wiki/Quinidine

Quinidine

• (n.) An alkaloid isomeric with, and resembling, quinine, found in certain species of cinchona, from which it is extracted as a bitter white crystalline substance; conchinine. It is used somewhat as a febrifuge.
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quinidine

(kwin´ĭ-dēn) the dextrorotatory isomer of quinine, administered orally as the gluconate, polygalacturonate, or sulfate salts, or intravenously as the gluconate salt in treatment of cardiac arrhythmias. It is also administered intravenously as the gluconate salt in the treatment of life-threatening malaria caus...
Found on http://www.encyclo.co.uk/local/21001

quinidine

Quinidex noun cardiac drug (trade names Quinidex and Quinora) used to treat certain heart arrhythmias
Found on https://www.encyclo.co.uk/local/20974

Quinidine

Quin'i·dine noun (Chemistry) An alkaloid isomeric with, and resembling, quinine, found in certain species of cinchona, from which it is extracted as a bitter white crystalline substance; conchinine. It is used somewhat as a febrifuge. [ Written also chinidine .]
Found on http://www.encyclo.co.uk/webster/Q/11

Quinidine

An alkaloid from cinchona bark, used in the management of irregular heartbeats. Pregnant women should avoid the medicaiton as intrauterine exposure may cause blood platelet reduction in the newborn.
Found on http://www.pregnology.com/Pregnancy-dictionary/

quinidine

drug used in the treatment of abnormal heart rhythms (arrhythmia) and malaria. Obtained from the bark of the Cinchona tree, quinidine shares many of ... [3 related articles]
Found on http://www.britannica.com/eb/a-z/q/8

quinidine

quinidine (kwin'idēn") , heart muscle relaxant used to maintain regular heart rhythm patterns. It is an alkaloid chemically similar to quinine and, like quinine, occurs naturally in some species of cinchona trees. Quinidine slows the rate of blood flow in heart chambers and lowers the ...
Found on http://www.infoplease.com/ce6/sci/A0840828.html

quinidine

Type: Term Pronunciation: kwin′i-dēn, -din Definitions: 1. One of the alkaloids of cinchona, a stereoisomer of quinine (the C-9 epimer); used as an antimalarial; also used in the treatment of atrial fibrillation and flutter, and paroxysmal ventricular tachycardia. Synonyms: conquinine
Found on http://www.medilexicon.com/medicaldictionary.php?t=74690

quinidine

[n] - cardiac drug (trade names Quinidex and Quinora) used to treat certain heart arrhythmias
Found on http://www.webdictionary.co.uk/definition.php?query=quinidine
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