The PA (posterior-anterior) film is obtained with the patient facing the cassette and the x-ray tube 6 feet away. This distance diminishes the magnification of structures closer to the x-ray tube. Heart is close to normal size as possible.
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A cross attached to a necklace by means of a curved bail. Sixth or seventh century. From the collection of the Museum of Byzantine Art, Berlin. A bail (also spelled bale) is a component of certain types of jewelry, mostly necklaces, that is used to attach a pendant or stone. The bail is normally placed in the center of the necklace where the pendant hangs. Some bails are made so a pendant can be attached after the necklace production is completed.