This consensus document, prepared by the European Association for Cardio-Thoracic Surgery (EACTS), the European Association of Preventive Cardiology (EAPC), and the European Society of Cardiology (ESC), addresses the comprehensive assessment of frail patients before procedures, aiming to determine intraoperative risk, short-term mortality, and the likelihood of neurological complications. The goal is to provide patients with improved information regarding their post-intervention functionality and quality of life.