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A 86 year-old gentleman was referred for trans-femoral aortic valve implantation. Transthoracic echocardiography revealed a severe stenosis (mean gradient 58 mmHg, aortic valve area: 0.4 cm2) and after multidisciplinary discussion, the risk of surgery was judged too high (logistic Euroscore: 51%) and the patient was proposed for a trans-femoral aortic valve implantation (TAVI). On arrival in the operating room the patient, fully conscious, was noted to have Cheyne-Stokes breathing (CSB),doi:10.1152/japplphysiol.00193.2019 pmid:31873067 fatcat:6r7tjzwd6jf3zjvahiovhetjue