quinidine syncope

Quinidine的电生理作用是

Tu Youyou won the 2015 Nobel prize for the discovery of ( ) A: Quinine B: Artemisinin C: Dihydroartemisinin D: Quinidine

If quinidine and digoxin are administered concurrently, which of the following effects does quinidine have on digoxin A: The absorption of digoxin from the gastrointestinal (GI) tract is decreased B: The metabolism of digoxin is prevented C: The concentration of digoxin in the plasma is increased D: The effect of digoxin on the AV node is antagonized E: The ability of digoxin to inhibit the Na+-K+-ATPase is reduced

If quinidine and digoxin are administered concurrently, which of the following effects does quinidine have on digoxin A: The absorption of digoxin from the gastrointestinal tract is decreased B: The metabolism of digoxin is prevented C: The concentration of digoxin in the plasma is increased D: The effect of digoxin on the AV node is antagonized E: The ability of digoxin to inhibit the Na+-K+-simulated ATPase is reduced

If quinidine and digoxin are administered concurrently, which of the following effects does quinidine have on digoxin? A: The absorption of digoxin from the gastrointestinal (GI) tract is decreased B: The metabolism of digoxin is prevented C: The concentration of digoxin in the plasma is increased D: The effect of digoxin on the AV node is increased E: The ability of digoxin to inhibit the Na+-K+-ATPase is reduced

The<br/>cinchona reaction induced by quinidine are as follows ( ) A: tinnitus B: nausea<br/>and vomiting C: headache D: vision<br/>and hearing loss E: blood<br/>pressure rise

Drug X is used in the treatment of cardiac arrhythmias. It is not recommended for use in asthmatic patients because of effects on certain adrenoceptors. This drug is probably A: procainamide B: propranolol C: quinidine D: lidocaine E: phenytonin

Procainamide differs from quinidine in the following respects that A: it has little anticholinergic effect B: it can inhibit Na+ channel C: it has no α-adrenergic blocking activity D: it does not cause paradoxical tachycardia

金鸡纳反应为Quinine和quinidine低治疗指数引起的毒性反应。其主要表现为恶心、呕吐、耳鸣、头痛、听力和视力减弱，甚至发生暂时性耳聋及低血糖。