洋地黄中毒是各种心脏病心力衰竭(简称心衰)时运用洋地黄治疗中经常发生的严重问题。在导致洋地黄中毒的各种诱困中,低镁、低钾最为重要。用洋地黄及利尿剂的心衰患者,缺钾、缺镁较普遍存在。缺镁则易引起心肌细胞内缺钾从而导致心功能失调。用强心甙及利尿剂治疗的心衰病人,补钾已成为常规。但 Digitalis poisoning is a serious problem often encountered in the treatment of digitalis with various heart diseases and heart failure (referred to as heart failure). In the lead to digitalis poisoning all kinds of trap, low magnesium, low potassium is the most important. With digitalis and diuretic heart failure patients, potassium deficiency, magnesium deficiency is more common. Magnesium deficiency is easily lead to potassium deficiency in cardiomyocytes leading to cardiac dysfunction. Heart failure with cardiac glycosides and diuretics treatment, potassium has become routine. but