The doctor is scanning the engine structure.

His doctor will electronically scan the pacemaker to ensure that it is working and to see whether it was ever activated.

The doctor scanned the front rank of beast-riders.

With a practiced eye the doctor scanned the colonists grouped around her, automatically cataloging the severity of their injuries.

The doctor scanned his entire library of writings on proper triage and found no comfort, no help.

Then she watched the doctor scan the bio monitors.

A doctor could scan X-ray photos that were reconstructed very quickly with coarse detail.

Trying to be subtle, the doctor scanned the list, but was confounded by aliens' names.

So why'd he freak out when the doctor scanned him?

"Is that how the doctors scan you in the Romulan Star Empire?"