Objective To explore the effect of B-ultrasound combined with electrocardiography in the prevention of catheter tip malposition. Methods From January 2015 to December 2015, a retrospective study with a sample of 2,713 cases was carried out, of which 1,370
GUO Ling,QIN Ying,LIAO Li,GAO Li,YU Qi-yan,JIANG Qun.
Effect of Electrocardiography Combined with B-ultrasound in Prevention of PICC Tip Malposition[J]. Journal of Nursing. 2017, 24(23): 67-70