Sedation is the depression of a patient's awareness to the environment and reduction of his or her responsiveness to external stimulation. This is accomplished along a continuum of sedation levels: Minimal sedation is equivalent to anxiolysis, that is, a drug-induced relief of apprehension with minimal effect on sensorium. Moderate sedation is a depression of consciousness in which the patient can respond to external stimuli (verbal or tactile). Airway reflexes, spontaneous ventilation, and cardiovascular function are maintained.
Journal of Clinical Anesthesiology: Open Access received 31 citations as per Google Scholar report
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