Video legend (Video 1):
The trans-oesophageal mid-oesophageal four chambered view showing a
multi-septate thick walled hydatid cyst in occupying the base and
mid-interventricular septum , with partially adherent septal tricuspid
leaflet and also obliterating the right ventricle and left ventricle
cavities(RA: right atria, RV: right ventricle, LA: left atria ,
LV: left ventricle, IVS: interventricular septum , STL: septal tricuspid
leaflet )