Neurocritical care
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Intracerebral hemorrhage (ICH) is a subset of stroke resulting from bleeding within the brain parenchyma of the brain. It is potentially lethal, and survival depends on ensuring an adequate airway, reversal of coagulopathy, and proper diagnosis. ICH was chosen as an emergency neurological life support (ENLS) protocol because intervention within the first critical hour may improve outcome, and it is helpful to have a protocol to drive care quickly and efficiently.
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Patients with prolonged or rapidly recurring convulsions lasting more than 5 min are in status epilepticus (SE) and require immediate resuscitation. Although there are relatively few randomized clinical trials, available evidence and experience suggest that early and aggressive treatment of SE improves patient outcomes, for which reason it was chosen as an Emergency Neurologic Life Support protocol. The current approach to the emergency treatment of SE emphasizes rapid initiation of adequate doses of first line therapy, as well as accelerated second line anticonvulsant drugs and induced coma when these fail, coupled with admission to a unit capable of neurologic critical care and electroencephalography monitoring. This protocol not only will focus on the initial treatment of SE but also review subsequent steps in the protocol once the patient is hospitalized.
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Acute non-traumatic weakness may be life-threatening if it involves respiratory muscles or is associated with dysautonomia. Most patients presenting with an acute muscle weakness have a worsening neurologic disorder that requires a rapid, systematic approach, and detailed neurologic localization of the findings. ⋯ Because acute weakness is a common presenting sign of neurological emergencies, it was chosen as an Emergency Neurological Life Support protocol. An inclusive list of causes of acute weakness is explored, both by presenting complaint and anatomical location, with an outline of the key features of the history, examination, investigations, and treatment for each diagnosis.
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Airway management is central to the resuscitation of the neurologically ill. These patients often have evolving processes that threaten the airway and adequate ventilation. Therefore, airway, ventilation, and sedation were chosen as an Emergency Neurological Life Support (ENLS) protocol. Reviewed topics include airway management; the decision to intubate; when and how to intubate with attention to cardiovascular status; mechanical ventilation settings; and the use of sedation, including how to select sedative agents based on the patient's neurological status.
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Subarachnoid hemorrhage (SAH) is a neurological emergency because it may lead to sudden neurological decline and death and, depending on the cause, has treatment options that can return a patient to normal. Because there are interventions that can be life-saving in the first hour of onset, SAH was chosen as an Emergency Neurological Life Support protocol.