MIRA2002 Study Guide - Final Guide: Ulnar Nerve, Soft Tissue, Ulna

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Document Summary

Elbow hand and shoulder all in the same plane + at shoulder height avoids image distortion. Palmar aspect of hand in contact with the ir + as flat as possible. Centring point head of 3rd metacarpal. Collimation whole hand from distal phalanges and distal radio-ulnar joint. If the palmar surface of the hand is not placed against the surface of the ir, this results in poor alignment of the joint space with the central ray. This results in closed joint spaces and and foreshortening of phalanges and metacarpals. Aoi whole hand to distal radio-ulnar joint. All joint spaces seen and well separated. Metacarpals separated, except for slight overlap at their proximal ends. Kvp = 50 mas = 2. 5 sid = 100. Elbow, wrist and shoulder all same level and at shoulder height. Central ray perpendicular to the ir. Phalanges to distal 1/3 radius and ulna. 2nd and 3rd mc heads not superimposed. 3rd to 5th mc heads slightly superimposed.