Death determined by neurologic criteria, commonly referred to as "brain death," occurs when function of the entire brain ceases, including the brain stem. Diagnostic criteria for brain death are explicit but controversy exists regarding nuances of the evaluation and potential confounders of the examination. Hospitals and ICU teams should carefully consider which clinicians will perform brain death testing and should use standard processes, including checklists to prevent diagnostic errors. Proper diagnosis is essential because misdiagnosis can be catastrophic. Timely, accurate brain death determination and aggressive physiologic support are cornerstones of both good end-of-life care and successful organ donation.
EED control is one of the most important and expenw s i v e operations in crop production. Basic information about weeds is important to the research worker as well as to the practical farmer.
Synopsis
Soluble carbohydrate in orchardgrass, as indicated by fructosan, decreased rapidly during the period of maximum vegetative development—maximum stem elongation and seed head development—indicating that this was a critical period for management. In each of 4 cuttings, fructosan was reduced by increments of N. Large N applications render orchardgrass susceptible to injury, but the combination of high temperature and low soil moisture cause it.
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