心脏听诊对动脉导管未闭(PDA)的诊断价值已为众所周知,但由于解剖和血流动力学上的变异而致杂音不典型时则心音图检查更具优越性。现将近年来我们发现的具有罕见不典型心音图表现的PDA患者2例报道如下。例1 患者女性,21岁,因剧烈活动后心悸、气急、易感冒咳嗽10余年,于1980年 Cardiac auscultation is well known for the diagnostic value of patent ductus arteriosus (PDA), but phonocardiogram is more advantageous when it is not typical due to anatomic and hemodynamic variations. Now in recent years we found with rare atypical phonocardiogram PDA patients showed 2 cases are reported below. Example 1 Female patient, 21 years old, due to severe activity after heart palpitations, shortness of breath, easy to cough for more than 10 years in cold in 1980