PubMed · 1541069
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C R Conti. 1992. "Refractory" coronary artery spasm.. https://doi.org/10.1002/clc.4960150102
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While angina is not uncommonly seen in association with hyperthyroidism, only rare case reports have suggested that myocardial ischemia in this state may be due to coronary artery spasm. The authors review the literature and describe a case in which the repetitive occurrence of episodes of myocardial ischemia due to coronary spasm correlated with repeated transient elevations in thyroid hormone levels, thus clarifying this relationship. The importance of defining thyroid status in patients presenting with coronary vasospasm is emphasized and the effects of thyroid hormone on the heart are reviewed.