title: [Obstructive lesions of the left coronary stem and its risk during coronary angiography].
mesh_terms: D000328:Adult; D000368:Aged; D000792:Angiography / Q000401:mortality*; D017023:Coronary Angiography; D003327:Coronary Disease / Q000000981:diagnostic imaging*; D004562:Electrocardiography; D005260:Female; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction; D012306:Risk
vernacular_title: Lesões obstrutivas do tronco da coronária esquerda e seu risco na coronariografia.