title: Left main stem/LCA arising from right coronary sinus with an interarterial course.
abstract: A 67-year-old woman presented to the accident and emergency department with central chest pain for the past 4 months. She described the pain as severe, retrosternal, intermittent, indigestion/burning type, with radiations to the left arm. She had used antacids with no relief. Her medical history included hypertension, chronic obstructive pulmonary disease, pulmonary fibrosis, left mastectomy for breast cancer, hypercholesterolaemia and osteoarthritis. Her medications included anastrazole, indapamide, perindopril, aspirin, clopidogrel, atorvastatin, salbutamol and atrovent inhalers. She was a non-smoker and vegetarian. Two brothers each had a myocardial infarction when in their early 40s.
authors.affiliation: Department of Cardiology, Castle Hill Hospital, East Yorkshire, UK.
authors.forename: Mohammad
authors.initials: M
authors.lastname: Waleed
authors.affiliation: Department of Cardiology, Castle Hill Hospital, East Yorkshire, UK.
authors.forename: Ali
authors.initials: A
authors.lastname: Raza
authors.affiliation: Department of Cardiology, Scarborough General Hospital, North Yorkshire, UK.
authors.forename: Tariq
authors.initials: T
authors.lastname: Minhaj
authors.affiliation: Department of Cardiology, Scarborough General Hospital, North Yorkshire, UK.
authors.forename: Timothy
authors.initials: T
authors.lastname: Houghton
mesh_terms: D000368:Aged; D017023:Coronary Angiography; D054326:Coronary Sinus / Q000002:abnormalities*; D003330:Coronary Vessel Anomalies / Q000000981:diagnostic imaging* / Q000503:physiopathology; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006801:Humans; D021621:Imaging, Three-Dimensional; D014057:Tomography, X-Ray Computed