
Keywords: دو بعدی; Atrial fibrillation; Atrial reservoir function; Echocardiography; Speckle-tracking; Mitral valve stenosis; Atrium; AF; Atrial fibrillation; ECG; Electrocardiography; EF; Ejection fraction; ε; Strain; LA; Left atrial; LV; Left ventricular; MS; Mitral sten