title: Effort syncope and pencil-point left main coronary artery: cause or unsual finding?
authors.affiliation: Department of Cardiology, University Hospital Santa Maria, Lisbon 1750, Portugal c_jorge@sapo.pt.
authors.forename: Cláudia
authors.initials: C
authors.lastname: Jorge
authors.affiliation: Department of Cardiology, University Hospital Santa Maria, Lisbon 1750, Portugal.
authors.forename: Pedro
authors.initials: P
authors.lastname: Canas da Silva
authors.affiliation: Department of Cardiology, University Hospital Santa Maria, Lisbon 1750, Portugal.
authors.forename: Nuno
authors.initials: N
authors.lastname: Lousada
authors.affiliation: Department of Cardiology, University Hospital Santa Maria, Lisbon 1750, Portugal.
authors.forename: Fausto J
authors.initials: FJ
authors.lastname: Pinto
mesh_terms: D000328:Adult; D000783:Aneurysm / Q000150:complications* / Q000000981:diagnostic imaging; D000072226:Computed Tomography Angiography; D003251:Constriction, Pathologic / Q000000981:diagnostic imaging / Q000209:etiology; D023921:Coronary Stenosis / Q000000981:diagnostic imaging / Q000209:etiology*; D004541:Eisenmenger Complex / Q000150:complications; D006801:Humans; D008297:Male; D064847:Multimodal Imaging; D011651:Pulmonary Artery / Q000000981:diagnostic imaging*; D012008:Recurrence; D013575:Syncope / Q000209:etiology*; D018084:Ultrasonography, Interventional