Background: In patients with significant mitral regurgitation (MR) undergoing transcatheter edge-to-edge repair (M-TEER). assessment of mitral valve (MV) anatomy is essential. While transthoracic echocardiography (TTE) is the initial diagnostic tool. transesophageal echocardiography (TOE) provides better anatomical details. https://www.roneverhart.com/Western-Digital-Ultrastar-DC-HC550-WUH721816ALE6L0-0F38460-16TB-7-2K-RPM-SATA-6Gb-s-512e-ISE-3-5in-Hard-Drive/