During this step, you must click in each of the four views to identify the apex of the left ventricular myocardium.
It is important that you click on the apex of the myocardium rather than the apex of the ventricular chamber. The images below show an apex that has been correctly and incorrectly identified.
Once you have successfully identified the apex in each image, click on the 'valves' button in the workflow to advance to the next step.
Step 3 - Identifying the apex
VentricularTools