
Keywords: انجمن بین المللی بیهوشی آمریکا; Transesophageal echocardiography; Basic certification; ASA; American Society of Anesthesiologists; ASD; Atrial septal defect; ASE; American Society of Echocardiography; AV; Aortic valve; IAS; Interatrial septum; LAD; Left anterior descending; LAX; Long-ax