Originally Posted by Calico Jack

I had one about 3 months ago to see if I had any kidney or gall stones and I felt exactly the same thing. When i cam out I said to the guy...'This is just like being buried alive'. It was dark and loud and very very enclosed. Took about 50 minutes and that was just about long enough.
The did give me an alarm button to hold so I suppose some people really reak out from the claustrophobic atmosphere.