超声心动图作为一种有效的心脏病诊断方法应用于临床已有二十余年的历史了。近年来,不论是超声仪器的创新或是临床应用的改革都有相当的进展。本文拟就此做一简介。心肌超声心动图声学造影(MYOCARDIAL CONTRAST ECHOCARDIOGRAPHY) 大约二十年前,声学造影是作为一种探讨心脏结构和M型图像间关系的方法而首次应用 Echocardiography has been used clinically for more than two decades as an effective diagnostic tool for heart disease. In recent years, considerable progress has been made both in the innovation of ultrasound instruments and in the reform of clinical applications. This article is about to do a brief introduction. MYOCARDIAL CONTRAST ECHOCARDIOGRAPHY About twenty years ago, acoustic contrast was first introduced as a method of exploring the relationship between cardiac structures and M-type images