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We report successful management of left atrial hematoma after ablation of supraventricular tachycardia. A 43-year-old female patient experienced chest pain immediately after radiofrequency ablation of a symptomatic left posterolateral accessory pathway. Transthoracic echocardiography demonstrated a large mass occupying the left atrium. Computed tomography and transesophageal echocardiography results were consistent with posterolateral intramural hematoma. She became hemodynamically unstable, requiring emergent surgery. The mass resolved completely by 6 weeks. ( Level of Difficulty: Beginner. )

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A 46-year-old woman with quiescent lupus presented with worsening pleuritic chest pain and dyspnoea. Bedside echocardiogram confirmed large pericardial effusion with cardiac tamponade. Emergency bedside pericardiocentesis was performed. Pericardial fluid cytology confirmed diffuse large B cell lymphoma, stage four on positron emission tomography. Conventional rituximab, cyclophosphamide, doxorubicin, vincristine and prednisolone chemotherapy achieved good response in all sites except the pericardium. Progressive cardiac involvement was complicated by atrioventricular conduction block requiring permanent pacemaker. Second-line palliative chemotherapy was performed.

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