Contemporary definitions for backdraft. noun. a sweep of air backwards; also, a condition in a fire where oxygen is depleted and the fire dies down until a door is opened and the fire flares violently from the intake of oxygen.
CT Internal Auditory Canal. CT Scan of the Internal Auditory Canal. A computed tomography scan (CT or CAT) of the internal auditory canal, also called cross-sectional imaging, allows the radiologist to look at different levels, or slices, of the skull bones leading from the ear using a rotating X-ray beam.
A computed tomography (CT) scan is an imaging technique that shows virtually everything inside the body, including bones, soft tissue, and blood vessels with a single scan. Images from a conventional scan are two-dimensional slices and are produced by combining x-rays taken from a number of different angles.