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With placement of an intraparenchymal micro-dialysis catheter, it is now possible to do bedside measurement of local cerebral metabolite/ neurotransmitter, including that of lactate, pyruvate, glucose and glutamate . These microdialysis measurements complement other cerebral monitoring by confirming or refuting the presence of cerebral ischemia.
Positron Emission Tomography (PET) PET can measure CBF, CBV and oxygen consumption, as well as glucose consumption. It is, however, expensive and remains an investigative tool. Recent PET studies of head injuries show that some patients may develop regional hyper-glycolysis during the early stages of head injury.
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The term vaginitis is one that is applied to any inflammation or infection of the vagina, and there are many different conditions that are categorized together under this ‘broad’ heading, including bacterial vaginosis, trichomoniasis and non-infectious vaginitis.