ASV adaptive support ventilation

• related: Sleep and Sleep Disordered Breathing
• tags: #literature

• adapts to respiratory frequency
• initially for CSA
  • with normal CO2: cheynne stokes, CHF, high altitude, encephalopathy
  • with elevated CO2:
    • congenital or acquired central hypoventilation
• adjusts PS for cheynne tokes: EPAP for OSA, IPAP for cheynne stokes breathing
• Do not use in hypoventilation
• only for EF > 45%. Contraindicated in HFrEF
• complex sleep apnea
  • initially obstructive then CSA
  • wait 3 months, then ASV ¹

Links to this note

• Sleep and Sleep Disordered Breathing
  • ASV adaptive support ventilation