A 68-year-old female with past medical history of hypertension, hyperlipidemia, multiple sclerosis, diverticulitis, and tobacco use presented with 1 day of atypical chest pain after a recent diverticulitis flare. Initial workup was notable for a normal electrocardiogram but elevated high sensitivity troponin T (616 ng/L). Due to persistent symptoms, the patient was given antiplatelet therapy and taken urgently to the catheterization lab where she was found to have complete occlusion of an anomalous right coronary artery branching off the mid-left anterior descending artery. Angioplasty was performed with a drug-eluting stent and her symptoms resolved. The patient recovered well and was discharged on appropriate medical therapy. This case demonstrates a case of acute coronary syndrome in an extremely rare coronary congenital abnormality. Further research is needed on when to be suspicious for coronary anomalies on patients presenting with myocardial infarction.
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