POCUS Case Ring-down artifact or Comet-tail artifact ?? Posted on 2017-09-03 https://pocusacademy.com/wp-content/uploads/2017/09/Ring-down-artifact.mp4 Post Views: 5,142 記得按讚、分享和訂閱,讓我有源源不絕的動力來持續分享POCUS !!請按讚:喜歡 正在載入... Knobology Chen KC View all posts by Chen KC →