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doll's head sign |
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doll's head sign Neurology A clinical sign for evaluating brainstem function in a comatose Pt; in a normal person, as the head is turned rapidly to one side, the eyes conjugately deviate in the direction opposite to the head's
movement; loss of this reflex implies dysfunction of brainstem or oculomotor nerves; inferolateral deviation of the eyes in combination with pupillary dilation implies dysfunction of 3rd cranial nerve, possibly due to tentorial
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