重症肌无力 (ｍｙａｓｔｈｅｎｉａｇｒａｖｉｓ ,ＭＧ)临床特征主要为一部分或全身横纹肌软弱无力和易于疲劳 ,通常在活动后加剧 ,休息后减轻。目前认为 ,ＭＧ基本上是全身性自身免疫性疾病[1] 。本文分析 10 0例ＭＧ患者的心电图 (ＥＣＧ) ,旨在讨论ＥＣＧ异常原因及可能发生 The main clinical features of myasthenia gravis (MG) are weakness and fatigue of part or whole striated muscle, which are usually aggravated after exercise and relieved after rest. At present, MG is basically a systemic autoimmune disease [1]. This article analyzes the electrocardiogram (ECG) of 10 patients with MG to discuss the causes and possible occurrence of ECG abnormalities