心房平滑肌瘤在临床属罕见,早期发现对其治疗及预后有重要意义。由于二维超声心动图(2DE)能从多个方向直观显示心房及相连的心脏结构,是目前临床应用的一种极有价值的非侵入性诊断方法。我院于近年内用2DE诊断2例。例1 王××、女性,49岁。于就诊前一周出现原因不明的阵发性晕厥、心悸、胸闷,严重时跌倒在地,不省人事。每次发作3～5分钟。在外院诊为“癔病”、 Atrial leiomyoma is rare in clinical, early detection of its treatment and prognosis of great significance. 2DE is a valuable and noninvasive diagnostic method for clinical application because it can visualize atrial and concentric cardiac structures from multiple directions. In our hospital in recent years with 2DE diagnosis of 2 cases. Example 1 Wang × ×, female, 49 years old. One week before his visit, he had unexplained paroxysmal fainting, heart palpitations, chest tightness, and serious falls to the ground, unconscious. Each episode 3 to 5 minutes. Outside the hospital diagnosed as “hysteria”