Cardiac chamber and structural quantification by transoesophageal versus transthoracic echocardiography: retrospective and real time comparisons and a call for a standard plane for quantification
Left atrial appendage volume and orifice area measured by three-dimensional transesophageal echocardiography associates with severity of heart failure in patients with persistent atrial fibrillation
Comparison of effectiveness in left atrial appendage thrombus preventing between warfarin and non-vitamin K anticoagulants - are the treatment options equivalent?