Step 3: delineation of the left anterior descendent artery
course.
Panel A : The ICE probe is positioned at the base of the RVOT with
the beam directed upwards visualizing the space between the two
semilunar valves and arterial roots. This is the tract where the LAD is
closest to the PA. Only LPC is displayed. Panel B : with slight
counterclockwise rotations it is possible to follow the entire course of
the LAD until its medial (exceptionally the distal) tract evaluating its
proximity with the LPC. ICE: intracardiac echocardiography, RVOT: right
ventricle outflow tract, LAD: left anterior descendent (artery), PA:
pulmonary artery, LPC: left pulmonary cusp.