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Spontaneous Coronary Artery Dissection of the First Obtuse Marginal Coronary Artery With Progression
(A) Previously normal first obtuse marginal coronary artery. (B) Subsequent spontaneous coronary artery dissection of the first obtuse marginal (yellow arrows). (C) Progression of the spontaneous coronary artery dissection including the left circumflex (yellow open arrow), first obtuse marginal (yellow arrowheads), and second obtuse marginal artery (orange oval and arrows).
