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Wounds, cuts and bruises can be treated quickly as the damage and infection are visible to doctors. But what about ailments that affect the body from within? Like a tumour, lung infection or even a fracture. How do doctors detect it?

This is where medical imaging helps them. It is a broad term given to several technologies that create visual images of different parts of the body. Doctors refer to these images to decide on a course of action and treatment.

Watch this video to learn about a few common imaging techniques and what they are used for.