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Oxygen Therapy Devices

  1. High flow systems:- Venturi mask - fixed performance device so delivers accurate oxygen (error is only ± 2%) and therefore possible to regulate oxygen delivery Low flow system-Nasal Cannula, Oxygen mask, tent, hood-variable performance devices so inaccurate and not possible to regulate oxygen delivery
  2. Mechanical Ventilation:
    Indications of mechanical ventilation
    1. Resp. rate > 30/mt
    2. PO2 < 60mm Hg
    3. PCO2 > 50 mmHg
    4. Vital capacity < 5ml/kg
    5. Tidal volume < 5ml/kg
    6. Dead space > 60%
    7. Less of protective reflexes

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