A 25-year old male presented overnight with a single air rifle wound to the chest. A CT scan revealed a developing pericardial effusion with a pellet in the right ventricle (Figs 1 and 2). A right atrial entry wound was primarily repaired while on cardiopul-monary bypass in theatre. Figure 1: Chest computed tomography. (Left) Axial 1 mm section showing metal opacity within the right ventricle. ...