When you have completed review of this screen, please click the "Next
page" blue arrow for the second portion of this section. The
LAO/Caudal view is also known as the "spider" or "weeping willow" view
because it lays out the main branches of the left main in a divergent
manner. The left main and LAD coronary arteries are foreshortened but
the ostium of the left main and the bifurcation of the LAD and Cx are
clear. It is also a superior view for displaying the origin of the ramus
intermediate coronary artery and the origin of high OM branches. However, the view is hampered by poor image quality created
by the overlapping spine and diaphragm. This interferes with visualization
of the distal Cx system.
The picture on the top left is a 3-Dimensional rendering of the
left coronary artery systems spinning along the RAO/Caudal axis.
You may start or stop the rotation by clicking on the appropriate
buttons or click on the "label" button to see a labeled freeze frame.
The diagram on the top right shows the image intensifier (II) as it is
positioned to obtain the LAO/caudal view When
you have completed review of this screen, please click the "Next page"
blue arrow for the second portion of this section.