NR 340

NR 340 NR340 Critical Care Exam 2 Questions Guide; well organized and best for Exam prepping

· Brain metabolism o Soul source of energy for the brain is glucose. Brain needs glucose to function. Brain cannot store it, but needs a constant supply. If glucose levels start to fall you will some changed. o Cerebral glucose < 70 mg/dL = confusion o Cerebral glucose < 20 mg/dL = damage · Cerebral blood flow · Autoregulation o Changes in pressure o Changes in CO2 ▪ Alters cerebral blood volume with change in blood vessel size o Ability of the blood vessel in the brain ...

· Brain metabolism o Soul source of energy for the brain is glucose. Brain needs glucose to function. Brain cannot store it, but needs a constant supply. If glucose levels start to fall you will some changed. o Cerebral glucose < 70 mg/dL = confusion o Cerebral glucose < 20 mg/dL = damage · Cerebral blood flow · Autoregulation o Changes in pressure o Changes in CO2 ▪ Alters cerebral blood volume with change in blood vessel size o Ability of the blood vessel in the brain ...

• Ethics o Informed consent  Competence  Voluntariness  Disclosure of information o Proxy- makes decisions for patient, designated by state • Comfort and Sedation o Rapid sequence intubation  Succinocholine and etomidate o Conscious sedations  Versed and fentanyl o Reversal for fentanyl narcan o Reversal for versed flumazenil o Medications  Benzos • Versed • Ativan • Valium • Precedex- similar to versed, not as addicting  Opioids • ...