方法 详细记录临床症状，同时检测血清地高辛浓度、血钾浓度和检查心电图变化。
METHODS The clinical toxic symptoms and signs were observed . At the same time, the concentrations of DGX and potassium in serum were determined, the electrocardiogram (ECG) was recorded.
服用推荐剂量的地高辛患者，即使血清地高辛浓度在正常范围内，地高辛中毒也可在低钾血症或低镁血症情况下发生。
In patients taking digoxin in recommended doses, digoxin toxicity can occur in the setting of hypokalemia or hypomagnesemia, even though the serum digoxin level is within normal limits.
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