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.
1 An MRI test usually takes 30 to 60 minutes but can take as long as 2 hours.  During arthroscopy, you may have a general or regional anesthetic. Arthroscopy may take only about 15 minutes, but the whole procedure could take an hour or longer.