Researchers at Westmead Hospital have extended the work of the
Oxford group to produce the Westmead PTA Scale. It consists
of 7 orientation questions and 5 memory items designed to objectively
measure the period of post-traumatic amnesia (PTA).
The Westmead PTA Scale is a standardised and prospective
measure of PTA and represents a move away from the subjective
and retrospective estimates of the pastDEVELOPMENT OF THE
WESTMEAD PTA SCALE
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