Internal medicine (Tokyo, Japan) · 2011
Transient ST-segment elevation due to iatrogenic hyperthyroidism in a patient with normal coronary arteries.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Mustafa Cetìn, Ozgül Uçar, Zehra Güven Cetìn, Hülya Cìçekçìoglu
Аннотация
A 53-year-old man presented with angina pectoris and ST-segment elevation in V(1)-V(4) leads. Electrocardiogram changes and chest pain were completely resolved with nitroglycerine infusion. Coronary angiogram revealed normal epicardial vessels. These findings suggest that the acute myocardial ischemia was secondary to coronary vasospasm. From his medical history we learned that he was taking L-thyroxine and the dose had been increased two months previously. He was found to be in thyrotoxic state at admission. L-thyroxine treatment was withheld and diltiazem was given. He had no further symptoms. In conclusion we think that acute myocardial ischemia was likely secondary to L-thyroxine-induced coronary spasm.