Assoc. Prof. Kasana Raksamani from Department of Anesthesiology, Faculty of Medicine Siriraj Hospital, Mahidol University, attended and delivered a poster and oral presentation on the topic “Accuracy of visual estimation of the left ventricular ejection fraction in untrained perioperative echocardiographers” at the “Euroanesthesia 2021″. This congress was held as an online platform between December 17th – 19th, 2021.