１对象与方法本组７２例受检查均为１９９６年至１９９７年间在本院出生１～３天的新生儿，初产儿６４例，经产儿８例，其中男婴４０例、女婴３２例；仪器使用日产光电６５１１型单导热笔式心电图机，用直流电描记。为了避免药物对心电图的影响，描图前禁用镇静、催眠等药... 1 Subjects and Methods The group of 72 patients were examined in 1996 to 1997 in our hospital born 1 to 3 days of newborns, 64 cases of primiparous, 8 after birth, of which 40 were male and female 32 girls; The instrument uses Nissan 6511 single thermal pen type electrocardiograph with DC trace. In order to avoid the impact of drugs on the ECG, deactivation sedation, hypnosis and other drugs before delineation.