A 62-year-old man presented to the hospital with a history of progressive cold, headache, and general malaise from the last one month. He has recently developed sign and symptoms of shortness of breath along with left shoulder pain. History He was receiving antibiotics as flu treatment. Examination Vital signs Blood pressure: 88/72 mm Hg Heart rate: 93 bpm Cardiac examination Cardiac pulmonary examination in patient exhibited distant heart sounds.

Chest radiograph showed an enlarged cardiac silhouette while electrocardiogram revealed low voltage QRS. An echocardiogram revealed an accumulation of large pericardial fluid (tamponade) along with a 3.8 x 3.5 cm right atrial mass with mobile components and transmural extension. Laboratory investigations After pericardiocentesis was performed on this patient, sanguineous fluid was sent for different investigations such as cell count,…