You can learn to easily tap it away, with the acupressure-and-mindfulness technique Emotional Freedom Techniques (EFT)!

Tapping Away Claustrophobia in an MRI machine

Terror in an MRI machine is not uncommon. The scanner is large and cylindrical, and a patient needs to lie still while enclosed inside it for quite some time. In such a situation, some people feel trapped and can panic.
My new client Julia had claustrophobia.