A Left Ventricular–to–Right Atrial Shunt in a Patient With a Perimembranous Ventricular Septal Defect: Role of Intraoperative Transesophageal Echocardiography
Shrinivas Gadhinglajkar, Rupa Sreedhar, Shyamkrishnan Kumaralingam Gopalakrishnan, Adil Sadiq, Mallikarjun Rao, Kirun Gopal
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It is a combination of 3 video clips. The left side and right side represent 2-dimensional and color-flow Doppler, respectively. The first clip in the ME 4-chamber view is revealing 2 separate jets: the LV-to-RA jet and the jet of VSD traversing from the left ventricle to the right ventricle. The second clip in the tricuspid valve inflow-outflow view is revealing that the jet reaching RA is not passing through the anterior tricuspid valve leaflet. No tricuspid regurgitation jet is detected between the anterior and the posterior tricuspid leaflets. VSD jet and aneurysmal sac are seen in the 3rd clip in the ME aortic valve long-axis view. LV, left ventricle; RA, right atrium; RV, right ventricle; VSD, ventricular septal defect; TV, tricuspid valve; AV, aortic valve.
The first part of the video clip in the TG TV SAX view is revealing STL adherent to the interventricular septum and double aneurysmal sac. The second part is showing VSD and the aneurysmal sac in the deep transgastric long-axis view with slight rotation of the sector angle to 20°. SAX, short axis.
A postoperative video in the ME 4-chamber view revealing trivial TR, absence of the residual VSD shunt, and the Gerbode shunt (first part). In the second part, no aneurysmal sac is found in the TG TV view. The septal patch is seen in situ. Post-op, postoperative; TG, transgastric.