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Circulation. 1981;64:1287-1290

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Circulation, Vol 64, 1287-1290, Copyright © 1981 by American Heart Association


ARTICLES

Coronary arterial spasm in single coronary artery

K Yamamoto, Y Koiwaya, T Tajimi, T Inou, A Mitsutake, Y Orita, A Takeshita and M Nakamura

A 48-year-old man developed severe chest pain and became unconscious. Coronary cineangiography revealed single coronary artery of the type L2b by Sharbaugh and White. Ergonovine, 0.2 mg i.v., produced coronary arterial spasm in the right coronary artery. This case suggests that coronary arterial spasm might be a cause of sudden death in patients with single coronary artery. However, an association of single coronary artery and coronary arterial spasm might be coincidental.