artifacts which you need to understand in order to really make best use of the data so one of the things is we typically do is when we acquire the heart we acquire one slice we image for we ask the patient to hold a breast for 10 seconds we acquire then the second slice do the same thing again third slice do all of this again and our slices are quite thick which means they have an isotropic resolution so the high resolution inflame but low resolution out of planes so if I if I take that data stack it together and show you that