نتایج جستجو برای: loss of consciousness
تعداد نتایج: 21189645 فیلتر نتایج به سال:
BACKGROUND Mechanisms of anesthesia-induced loss of consciousness remain poorly understood. Resting-state functional magnetic resonance imaging allows investigating whole-brain connectivity changes during pharmacological modulation of the level of consciousness. METHODS Low-frequency spontaneous blood oxygen level-dependent fluctuations were measured in 19 healthy volunteers during wakefulnes...
Unconsciousness is a fundamental component of general anesthesia (GA), but anesthesiologists have no reliable ways to be certain that a patient is unconscious. To develop EEG signatures that track loss and recovery of consciousness under GA, we recorded high-density EEGs in humans during gradual induction of and emergence from unconsciousness with propofol. The subjects executed an auditory tas...
a known case of nephrotic syndrome aged 32 months was admitted to icu because of loss of consciousness. in physical exam he had tachycardia, tachypnea and hypotension. lab data showed metabolic alkalosis and hypoxia. in cxr, vascular cut off was seen in right lung and perfusion lung scan showed absence of perfusion in the right lung.treatment was started with heparin and streptokinase, but unfo...
objective absence status epilepticus (ase) is a common form of nonconvulsive status epilepcticus. it is characterized by loss of consciousness with spike and wave discharges in eeg simultaneously. the most effective treatment of ase is diazepam, either infusion or in divided doses; the former is more expensive since patients must be admitted in an intensive care unit. the aim of this study was...
Spinal anesthesia is the preferred technique for caesarean section. Although hypotension are common, but neurologic complications are rare. Nevertheless, these side effects are serious and must be considered. The incidence of post dural puncture meningitis is very rare complication . In this paper we report a patient who had spinal anesthesia for cesarean section the three days ago and ensuing...
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