Left ventricular hypertrophy (LVH) was identified by EKG in 28 patients (18.7%), by CXR in 56 patients (37.3%) and by echocardiography in 126 patients (89.3%).

• 左心室肥大依据心电品诊断为28位患者(18.；7%25)，胸部X光为56位患者(37