Fig. 1
From: Case report: surgical removal of a migrated needle in right ventricle of an intravenous drug user
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13011-017-0134-1/MediaObjects/13011_2017_134_Fig1_HTML.gif)
Retained needle fragment in the right ventricle. a Transthoracic echocardiography revealed a retained needle fragment in the inferior wall of the right ventricle, and no detectable pericardial effusion. b and c Computed tomography confirmed the location of a needle in the inferior wall of the right ventricle and near the ventricular septum. d and e The needle was found and removed from the right ventricle