Hi, I am a radiologist, I use medical imaging at work.
Really? That's pretty cool! What types of stuff do you scan?
I am a Diagnostic Radiologist, a specially trained doctor, so I scan ER patients.
Ah okay. The work hours must be crazy. I have a friend who is a nurse and she gets very tired sometimes.
Yes I agree, its also stressful. I have advanced training, to interpret basic images which adds to the stress.
What do the machines use? Is it x rays or sound waves or something like that?
i specialize in computed tomography  (CT) of the brain. It uses X-rays
Cool, I remember getting x rays a few times. You have to wear a lead suit to protect areas of the body not getting scanned right?
Yes,  large series of two-dimensional radiographic images are taken so it can be dangerous.
Wow, well I hope you do some good in peoples lives and help cure them!