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Chapter 5  CARE OF THE PATIENT WITH NEUROLOGICAL NEEDS        241




                               TABLE 5–6   Commonly Used Medications for the Neurologically Impaired Patient
                                         (Continued )
                               Medication   Action           Use             Precautions
                               Pentobarbital  To induce bar-  Helpful in     Totally dependent upon the
                               (Nembutal)   biturate coma    reducing ICP    nurse for respiratory and
                               Thiopental   and decrease     because they    circulatory support.
                               (Sodium      ICP. Second-tier  slow down      Requires mechanical venti-
                               Pentothal)   therapy used     cerebral metab-  lation for oxygenation, BP
                                            when other       olism, which in   support through the use of
                                            methods of       turn decreases   pressor therapy such as
                                            sedation do not   the oxygen and   dopamine and Levophed
                                            control restless- glucose        usually with an arterial line;
                                            ness or          demands of the  requires PA pressure moni-
                                            increased ICP.   brain.          toring tapered off gradually.
                                            Also used as an                  Monitor for DVT, PE, pneu-
                                            anticonvulsant.                  monia, and infection. Do not
                                                                             confuse with phenobarbital.
                               Propofol     General anes-    Sedation of     Observe for bradycardia and
                               (Diprivan)   thetic. Sedative   mechanically   hypotension. Monitor vital
                                            for seizure con-  ventilated     signs for respiratory depres-
                                            trol after use of   patients     sion; can cause apnea lasting
                                            a benzodiaz-                     more than 60 seconds. Must
                                            epine has been                   have intubation equipment              Downloaded by [ Faculty of Nursing, Chiangmai University 5.62.158.117] at [07/18/16]. Copyright © McGraw-Hill Global Education Holdings, LLC. Not to be redistributed or modified in any way without permission.
                                            unsuccessful.                    available if not vented. Moni-
                                                                             tor for metabolic acidosis,
                                                                             hyperkalemia, rhabdomyolo-
                                                                             sis, and liver, cardiac, and
                                                                             renal failure. Change IV lines
                                                                             every 12 hours in ICUs due
                                                                             to support of bacterial
                                                                             growth on tubings and vials.
                                                                             Use larger veins of forearms
                                                                             since burning and stinging
                                                                             can occur at the site of
                                                                             administration. Do not use if
                                                                             solution separates; it should
                                                                             be milky and opaque in
                                                                             appearance.
                               Valium       Sedative.        Seizures.       Provide respiratory support
                               (Diazepam)   Depresses CNS by  Decreases rest-  if giving it IV. Monitor VS
                               Ativan       potentiating an   lessness in    frequently. Use cautiously
                               (Lorazepam)  inhibitory neu-  patients with   in severe renal impairment.
                                            rotransmitter.   increased ICP or  Can lead to physical and
                                            Also promotes    if fighting     psychological dependency
                                            skeletal muscle   mechanical     if used long term. Can be
                                            relaxation by    ventilation.    severe with flumazenil.
                                            decreasing spinal
                                            afferent pathways.
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