皮下血肿 meaning in English

ecchymoma
ecchymosis

Objective to investigate the diagnosis and treatment of subclavial hematoma complicated in patients undergoing trans - catheter ablation of atrial fibrillation ( af )
摘要目的探讨经导管射频消融治疗心房颤动（简称房颤）并发左锁骨皮下血肿的原因及其预防和处理方法。
Methods and results a total of 143 af cases treated by transcatheter ablation were retrospectively examined , 7 ( 0 . 49 % ) of them complicated with subclavial hematoma
方法及结果回顾性分析本科接受经导管射频消融治疗的143例房颤患者，其中有7例( 0 . 49 % )出现左锁骨下皮下血肿。