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强心药是治疗心力衰竭最常用的药物,其中最常用的是洋地黄和地高辛(近年采又推出了非洋地黄类的氨力农、米力农和扎莫特罗等,都有片剂供病人在家中服用),这类药物的有效量和中毒量比较接近,用量较大稍久都可引起中毒反应,所以使用时要特别谨慎。但是由于这类药物具有增强心肌收缩力,减慢心率的作用,使用它能够改善心肌收缩、增加心肌排血量,使人体全身组织和器宫的血液供应增加,
Cardiac drugs are the most commonly used drugs for the treatment of heart failure, of which the most commonly used is digitalis and digoxin (in recent years, mining and the introduction of non-digitalis ammoniacal, milrinone and Zamormol, etc., have Tablets for patients to take at home), the effective amount of such drugs and the amount of poisoning is relatively close, the larger amount of slightly longer can cause toxic reactions, so be very cautious when used. However, due to these drugs have to enhance myocardial contractility, slow down the role of heart rate, use it to improve myocardial contractility, increase myocardial blood output, so that the body’s blood supply to the body and uterus increased,