We report a case of an accidental finding of an aberrant right subclavian artery diagnosed in an adult man during a 4-French coronary angiography performed by right transradial access, then confirmed by multi-slice computed tomography. Tips and tricks have been suggested to complete the 4-French procedure avoiding changing the vascular access.
Keywords: Aberrant right subclavian artery; Anatomical variations; Arteria lusoria; Coronary catheterisation; Transradial access.
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