Won’t Breathe as Etiologies of High elevated PaCO2

  • decreae RR
  • Respiratory Drive
  • Voluntary hypervent.
  • NI Pimax & A-a grad
  • Metabolic alkalosis
  • 1° neurologic: brain-
  • stem stroke, tumor, 1°
  • alveolar hypovent
  • 2° neurologic: sedatives,
  • CNS infxn,
  • hypothyroidism