The PolyGram

The PolyGram - multiple x-ray imagesmade with small intervals on the same film for registration of motion organs, such as the esophagus, stomach. The PolyGram of three shots used to study the motility of the stomach. While the exposure for each shot elect approximately 1/3 of the normal, and the intervals between shots - from 3 to 12 seconds. On the PolyGram stomach is possible to judge of the nature and violations of peristalsis. The polygraph chart can also be applied to study the motion of the diaphragm and rib during breathing.