Emergency medicine journal : EMJ
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Biphasic waveform defibrillation results in higher rates of termination of fibrillation than monophasic waveform defibrillation but has not been shown to improve survival outcomes. ⋯ Treatment with biphasic AED shocks improved the likelihood of ROSC and neurologically favourable 1-month survival after witnessed VF compared with monophasic AED shocks. In addition to waveform differences, a shorter time interval from the first shock to the second shock could account for the better outcomes with biphasic AED.
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Head injury outcome is influenced by the initial insult and the various pathophysiological changes that take place in the posttraumatic phase, some of which may be amenable to intervention. Appropriate measures taken during initial emergency department management and subsequently in the intensive therapy unit can significantly improve outcome. ⋯ Early imaging, rather than admission and observation for neurological deterioration, reduces the time to the detection of life-threatening complications. This paper discusses the current management of severe head injury, some prognostic indicators and methods used to rule out an associated spinal injury.