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A) Computed tomography scan. RA, right atrium; RV, right ventricle; LA, left atrium; LV, left ventricle; asterisk, pericardial effusion. B) Site of bone marrow biopsy puncture (encircled). C) Site of ascending aorta stab injury (showed by forceps).
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Transoesophageal echocardiography confirmed pericardial tamponade with right atrium and ventricle compression and dyskinesis (Figure 1A). Before surgical field draping off, puncture site on sternum was clearly visible (Figure 1B). Stab injury was found on the ascending aorta (Figure 1C).