Page 2490 - Saunders Comprehensive Review For NCLEX-RN
P. 2490

acting alpha-adrenergic agonists
                                                                (dexmedetomidine).
                                             3. Propofol
                                                             a. Propofol is contained in glass and is a
                                                                white milky substance. It is a lipid
                                                                emulsion substance with a short half-
                                                                life that can be easily titrated because it
                                                                is rapidly eliminated from the body,
                                                                within 30 minutes.
                                                             b. Opiates should be added for pain
                                                                control and amnesic effects, because
                                                                propofol does not produce amnesia.
                                                             c. Propofol-related infusion syndrome
                                                                causing metabolic acidosis, muscular
                                                                weakness, rhabdomyolysis,
                                                                myoglobinuria, acute kidney injury,
                                                                and cardiac dysrhythmias has been
                                                                known to occur.
                                                             d. Propofol is conducive to bacterial
                                                                growth; therefore, infusion sets should
                                                                be changed every 6 to 12 hours.
                                             4. Dexmedetomidine
                                                             a. Dexmedetomidine is used as a short-
                                                                term sedative (24 hours or less) in
                                                                mechanically ventilated clients.
                                                             b. This medication causes sedation and
                                                                analgesic effects and allows for clients
                                                                to be minimally interactive while
                                                                sedated. It can still be used even after
                                                                extubation to help with anxiety related
                                                                to weaning.
                                                             c. It is eliminated from the body within 2
                                                                hours, or dramatically longer in the
                                                                case of liver failure.
                                             5. Agitation
                                                             a. A hyperactive state that results in
                                                                movements ranging from slight
                                                                restlessness to pulling out lines or
                                                                tubes or physical aggression.
                                                             b. Common causes include pain, anxiety,
                                                                delirium, hypoxia, ventilator
                                                                dyssychrony, neurological injury,
                                                                uncomfortable position, full bladder,
                                                                sleep deprivation, alcohol withdrawal,
                                                                sepsis, medication reaction, and organ
                                                                failure.
                                                             c. Assessed using RASS, and the goal is to
                                                                treat the cause rather than



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