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Many thanks for your Endgames contribution. Unfortunately it contains a commonly held misconception that a standard wrist or hand x-ray is Anteroposterior (AP). They are in fact Posteroanterior (PA) or Dorsopalmar (DP) - same thing, different terms.
The true anatomic position has the palms facing anteriorly. The image is taken with the palm down hence the thumb of a right hand xray is on the left and vice versa.
A day spent with the radiographers ensures an appreciation of how images are acquired and gives a great amount of respect for this group of colleagues. It allows us to appreciate their art and means we have a new respect when we simply write out a form for what is to follow.