Unexplained chronic pulmonary embolism diagnosed by echocardiography: report of one case
ZHENG Guang-mei1, ZHU Fang-cheng2, BAI Jiao1, YANG Bo1, JING Hong-xia1
1.Department of Ultrasound, Renmin Hospital, Hubei University of Medicine, Shiyan Hubei 442000, China;2.Department of Forensic Medicine, Hubei University of Medicine, Shiyan Hubei 442000, China