Figure 3. TTE imaging results. (A) : apical 4-chamber view showed more than 40% respiratory variations of the mitral valve inflow E velocity. (B) : apical 4-chamber view showed more than 50% respiratory variations of tricuspid valve inflow with inspiration.  Note: The yellow arrows point towards the respiratory variations.
[ link to online video1: https://youtu.be/Aenr3A1RJfY