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.
How Long Does a Cardiac Cath Last? A cardiac cath procedure usually takes about 30 minutes (and longer if you undergo an intervention), but the preparation and recovery time add several hours. Plan on being at the hospital all day for the procedure. What Happens During a Cardiac Cath? You will be given a hospital gown to wear.