Hours of Operation: 1  Monday: 7:00 am - 6:30 pm. 2  Tuesday: 7:00 am - 4:30 pm. 3  Wednesday: 7:00 am - 6:30 pm.  Thursday: 7:00 am - 4:30 1  pm. Friday: 7:00 am - 4:30 2  pm. Saturday: Closed.  Sunday: Closed.
Cardiac MRI usually takes 30 to 90 minutes, depending on how many pictures are needed. The test may take less time with some newer MRI machines. The MRI machine will be located in a special room that prevents radio waves from disrupting the machine.
It takes only about 30 minutes to take the pictures during a cardiac catheterization procedure. Other time is for set-up to make sure that everything is sterile so no infection occurs.