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A Case of Profound Hypothyroidism Presenting with Hypertensive Emergency and Large Amount of Pericardial Effusion

Ji-won Hwang

(Division of Cardiology, Department of Medicine, Ilsan Paik Hospital, Inje University School of Medicine, Goyang, South Korea)

Am J Case Rep 2020; 21:e923299

DOI: 10.12659/AJCR.923299

BACKGROUND: Thyroid function is closely related to the cardiovascular system. Pericardial effusion is a well-known complication of hypothyroidism. It is common for massive pericardial effusion to progress to tamponed heart with hypotension, but not high blood pressure.
CASE REPORT: A 46-year-old woman presented to the hospital with dysarthria and left-side weakness of the upper limb which had started 30 minutes before her arrival at the hospital. The patient showed hypertensive emergency (213/124 mmHg) with intracerebral hemorrhage. Further evaluation for high blood pressure and transthoracic echocardiography demonstrated the presence of a large amount of pericardial effusion, and urgent pericardiocentesis was performed. The laboratory examination showed elevated thyroid-stimulating hormone and decreased free thyroxine level, leading to a diagnosis of primary hypothyroidism. The administration of current medications was maintained, including thyroid hormone replacement and anti-hypertensive drugs.
CONCLUSIONS: A rare case of profound hypothyroidism presenting with hypertensive crisis and massive pericardial effusion is described in this report.

Keywords: Cardiac Tamponade, Hypertension, Malignant, Hypothyroidism

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