论文部分内容阅读
１资料与方法本组病例收集１９９７年６月～１９９８年１０月来院诊治的患者共３４例。男１９例、女１５例。年龄１７～６３岁，平均年龄４０岁。使用美国ＨＰ２０００彩色多普勒显像仪，经食管探头，频率５０～６０ＭＨｚ。患者术前至少禁食５小时，以２％利多卡因溶...
1 Materials and Methods This group of patients collected from June 1997 to October 1998 a total of 34 patients were hospitalized. 19 males and 15 females. Age 17 to 63 years old, average age 40 years old. The US HP2000 color Doppler imaging, transesophageal probe, the frequency of 5 0 ~ 6 0MHz. Patients pre-fasted at least 5 hours to 2% lidocaine solution ...