Video 44.1 The "home view" of the RV inflow and tricuspid valve viewed from the RA (Video 44.1A). The proximal RVOT is also seen. The aortic valve is visible but slightly out of plane. Note the presence of an RV defibrillator lead. Color Doppler of the tricuspid valve (Video 44.1B) reveals mild regurgitation with 2 jets visible.

Video 44.2 Advancing the ICE catheter from the home view position allows visualization of the RVOT and the pulmonary valve.

Video 44.3 The aortic valve and LVOT are viewed from the RA (Video 44.3A). Color Doppler across the aortic valve (Video 44.3B) shows largely laminar flow across the outflow tract with only physiologic regurgitation.

Video 44.4 The LV inflow and mitral valve viewed from the RA (Video 44.4A). Color Doppler across the mitral valve (Video 44.4B) reveals mild regurgitation (arrow).

Video 44.5 Starting from the home view visualizing the tricuspid valve, the catheter is anteflexed keeping the tricuspid valve in view. The catheter is then advanced across the tricuspid valve into the RV. Once in the RV, the anteflexion of the catheter is released.

Video 44.6 The initial image after insertion of the ICE catheter into the right ventricle (RV) shows the inferior RV free wall (bottom left) and apex.

Video 44.7 Long-axis view of the LV with the posteromedial papillary muscle and mitral valve (Video 44.7A). Further clockwise rotation of the ICE catheter brings the anterolateral papillary muscle into view (Video 44.7B). Note each papillary muscle has 2 distinct heads.

Video 44.8 The aortic valve viewed in short-axis from the RV. All 3 cusps (L = left, R = right, N = noncoronary) are seen (Video 44.8A). The left main coronary artery ostium can be visualized as well. Color Doppler across the aortic valve reveals trace regurgitation (arrows, Video 44.8B).

Video 44.9 The pulmonary valve and artery in long axis as seen from the right ventricle (Video 44.9A). Color Doppler across the pulmonic valve reveals two jets of mild regurgitation (arrows, Video 44.9B).

Video 44.10 The aortic valve and ascending aorta as viewed from the right ventricle.

Video 44.11 The ascending aorta is viewed in longaxis (Video 44.11A) and obliquely (Video 44.11B) from the right ventricle. Focal atheroma at the sinotubular junction is seen in Video 44.11A (arrow), and more diffuse ascending aortic atheroma is seen in Video 44.11B (arrow).

Video 44.12 The ablation catheter in good contact with the endocardium at the border of an akinetic anteroapical infarct (superior to catheter tip). Note the ablation lesion is demonstrated by ICE as an area of increased echodensity (arrows). Bubbles from the irrigated ablation catheter can also be seen.

Video 44.13 Ablation catheter with the tip on the basal lateral LV endocardium. The ablation lesion is visualized as an area with increased echodensity (arrow). Note the image shown is reversed.

Video 44.14 Long-axis view of the LV with an apical aneurysm (arrows). There is spontaneous echo contrast in the aneurysm ("smoke"). Note the image shown is reversed.

Video 44.15 ICE imaging showing the extent of an inferobasal LV aneurysm with the ablation catheter positioned near the mitral annulus (arrow).

Video 44.16 A linear area of increased echodensity near the epicardial surface on the lateral LV wall (arrows) in a patient with NICM. Note the image shown is reversed.

Video 44.17 Anterolateral papillary muscle geometry creation using CartoSound. The endocardial borders of each papillary muscle head on the ICE image (left) are traced. The software then incorporates the surfaces into the Carto map (right). Note the ICE image shown is reversed.

Video 44.18 Short-axis view of the aortic valve (L = left coronary cusp, N = noncoronary cusp) from the RV showing the ablation catheter in the right coronary cusp (arrow, Video 44.18A). A reversed image with the catheter (arrow) at the junction of the right (R) and left coronary cusps is shown in Video 44.18B.

Video 44.19 Long-axis view of the aortic valve from the RA (Ao, aorta; LV, left ventricle). The ablation catheter can be seen with the tip in the nadir of the left coronary cusp (arrow).

Video 44.20 Maps of the aortic cusps using Carto- Sound. The contours of each cusp (L = left coronary cusp, N = noncoronary cusp, R = right coronary cusp) are traced from the ICE image (right). Each traced contour is projected on the map view (left) and integrated into a 3D geometry.

Video 44.21 Short-axis view of the aortic valve from the right ventricle showing the origin of the left main coronary artery (arrows) from the left coronary cusp. Note the blue color on Doppler, indicating blood flow away from the transducer into the artery.

Video 44.22 Maps of both heads of the anterolateral papillary muscle (arrows) created using CartoSound. The map view (right) is through the mitral valve, into the LV cavity. The ablation catheter can also be seen on the map and in real time on the ICE image (left).

Video 44.23 View of the RV inferior free wall and pericardial effusion visible (Video 44.23A). An RV defibrillator lead is seen at the RVA (arrow). The same effusion viewed adjacent to the inferior LV wall (Video 44.23B). Note the images shown are reversed.