title: Reply: sometimes, things are not always what they seem.
authors: Ehtisham
authors: E
authors: Mahmud
authors: Ryan
authors: R
authors: Reeves
mesh_terms: D006348:Cardiac Surgical Procedures; D016893:Carotid Stenosis / Q000601:surgery*; D003327:Coronary Disease / Q000601:surgery*; D016894:Endarterectomy, Carotid / Q000379:methods*; D006801:Humans; D017410:Practice Guidelines as Topic; D011300:Preoperative Care / Q000379:methods*