In the detailed study by Mirjana Gander et al., published in the Seminars in Cardiothoracic and Vascular Anesthesia, the relationship between new-onset postoperative atrial fibrillation (POAF) and the p-terminal force in lead V1 (PTFV1) following on-pump cardiac surgeries is examined. POAF is a significant postoperative complication that heightens both morbidity and mortality rates in patients…