{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T13:19:41Z","timestamp":1788268781806,"version":"build-2803163510"},"reference-count":18,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2016,6,29]],"date-time":"2016-06-29T00:00:00Z","timestamp":1467158400000},"content-version":"vor","delay-in-days":180,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Case Reports in Medicine"],"published-print":{"date-parts":[[2016,1]]},"abstract":"<jats:p>\n                    <jats:italic>Introduction<\/jats:italic>\n                    . Pericardial effusion in the setting of hyperthyroidism is rare. We present a patient with Graves\u2019 disease who developed a sanguineous pericardial effusion and cardiac tamponade.\n                    <jats:italic>Case Description<\/jats:italic>\n                    . A 76\u2010year\u2010old man presenting with fatigue was diagnosed with Graves\u2019 disease and treated with methimazole. Two months later, he was hospitalized for uncontrolled atrial fibrillation. Electrocardiography showed diffuse low voltage and atrial fibrillation with rapid ventricular rate. Chest radiograph revealed an enlarged cardiac silhouette and left\u2010sided pleural effusion. Thyroid stimulating hormone was undetectable, and free thyroxine was elevated. Diltiazem and heparin were started, and methimazole was increased. Transthoracic echocardiography revealed a large pericardial effusion with cardiac tamponade physiology. Pericardiocentesis obtained 1,050\u2009mL of sanguineous fluid. The patient progressed to thyroid storm, treated with propylthiouracil, potassium iodine, hydrocortisone, and cholestyramine. Cultures and cytology of the pericardial fluid were negative. Thyroid hormone markers progressively normalized, and he improved clinically and was discharged.\n                    <jats:italic>Discussion<\/jats:italic>\n                    . We found 10 previously reported cases of pericardial effusions in the setting of hyperthyroidism. Heparin use may have contributed to the sanguineous nature of our patient\u2019s pericardial effusion, but other reported cases occurred without anticoagulation. Sanguineous and nonsanguineous pericardial effusions and cardiac tamponade may be due to hyperthyroidism.\n                  <\/jats:p>","DOI":"10.1155\/2016\/9653412","type":"journal-article","created":{"date-parts":[[2016,6,29]],"date-time":"2016-06-29T19:28:36Z","timestamp":1467228516000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Sanguineous Pericardial Effusion and Cardiac Tamponade in the Setting of Graves\u2019 Disease: Report of a Case and Review of Previously Reported Cases"],"prefix":"10.1155","volume":"2016","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5398-2501","authenticated-orcid":false,"given":"Peter V.","family":"Bui","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3036-9381","authenticated-orcid":false,"given":"Sonia N.","family":"Zaveri","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7107-4766","authenticated-orcid":false,"suffix":"Jr.","given":"J. 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