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Oxygen delivery devices
The document outlines various oxygen delivery devices and their indications for use in treating conditions like hypoxia and emergency situations. It details the side effects and specific features of devices such as simple oxygen masks, venturi masks, non-rebreathing masks, oxygen hoods, nasal cannulas, face tents, and tracheostomy masks. Each device has specified flow rates and expected oxygen concentrations for effective therapy.
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Introduction to oxygen delivery devices by Dr. Yusuf Imran.
Indications for therapy include treatment of hypoxia, emergencies, & short-term post-anaesthesia.
Side effects include risks like fire, CO2 retention & cytotoxic damage from high FiO2.
Details on simple oxygen masks including flow rates and oxygen concentration delivered.
Specifications for Venturi masks such as FiO2 settings and delivery mechanism.
Used in emergencies for high FiO2 delivery (60-100%), with details on airflow management.
Effective for patients <15 kg, delivering 90-100% oxygen with specific flow rates.
Nasal cannula specifications with flow rates for different patient age groups.
Comfortable oxygen delivery using a loose face tent with a maximum FiO2 of 40-50%.
Describes delivery of humidified oxygen with set FiO2 for patients with tracheostomy.
Concluding remarks and appreciation by Dr. Yusuf Imran.
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Oxygen delivery devices
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- 2. Indications for Oxygentherapy Treatment of documented hypoxia/hypoxemia determined by SpO2 or PaO2. Treatment of an acute/emergency situation • Dypnoea, tachypnea, bradypnoea, apnea • Pallor, Cyanosis • Use of accessory muscles (nasal flaring, intercostal/subcostal retraction, tracheal tug) • Shock/Hemorrhage/Seizures/Hypothermia/Resuscitation Short term therapy • Post anaesthesia • Post surgery Dr Yusuf Imran, J.N.M.C, AMU, India
- 3. Oxygen : Sideeffects • Physical risks- fire, injury to nose, dryness/crusting. • Functional risks- hypoventilation and CO2 retention (eg COPD) • Cytotoxic damage (FiO2>60%) - fibrotic changes in lungs on long term use (free radical injury) • Pulmonary Atelectasis • Retinopathy of prematurity Dr Yusuf Imran, J.N.M.C, AMU, India
- 4. Simple Oxygen mask •Delivers humidified oxygen (aerosol adapter can be added) • Minimum flow rate 6 l/min (to clear exhaled CO2 from mask) • Approx O2 conc- 6L=40%, 7L=50%, 8L=60%. Dr Yusuf Imran, J.N.M.C, AMU, India
- 5. Dr Yusuf Imran,J.N.M.C, AMU, India
- 6. Dr Yusuf Imran,J.N.M.C, AMU, India
- 7. Venturi Mask • DeliversHumidified oxygen • FiO2 is set by entrainment dial on mask • Low conc- 24%, 26%, 28%, 31% • High conc – 35%, 40%, 50%, 60% Dr Yusuf Imran, J.N.M.C, AMU, India
- 8. Dr Yusuf Imran,J.N.M.C, AMU, India
- 9. Dr Yusuf Imran,J.N.M.C, AMU, India
- 10. Non Rebreathing Mask •Used for high FiO2 delivery in emergency • FiO2 range 60 to 100% • Reservoir bag is used to provide up to 100 % FiO2. • Flap valves minimize entrainment of room air. • Flow rate is adjusted according to patients respiratory pattern to keep the reservoir bag inflated. Dr Yusuf Imran, J.N.M.C, AMU, India
- 11. Dr Yusuf Imran,J.N.M.C, AMU, India
- 12. Dr Yusuf Imran,J.N.M.C, AMU, India
- 13. Oxygen hood • Delivershumidified oxygen to patients weighing <15 kg. • FiO2 range upto 90-100%. • Minimum flow rate 8-10 l/min (to clear exhaled CO2 from the hood) • Oxygen analyzer can be used to measure FiO2. Dr Yusuf Imran, J.N.M.C, AMU, India
- 14. Dr Yusuf Imran,J.N.M.C, AMU, India
- 15. Nasal Cannula • Delivershumidified oxygen • Nasal passages must be patent • FiO2 depends on the flow rate • Can be used to provide CPAP in infants • Infants Adults ¼ L - 35 % 1 L - 24% ½ L - 45 % 3 L - 32% 1 L - 55% 6 L - 44% Dr Yusuf Imran, J.N.M.C, AMU, India
- 16. Dr Yusuf Imran,J.N.M.C, AMU, India
- 17. FaceTent • Loose fitunder the chin for patient comfort, speaking etc. • Maximum FiO2 = 40-50 % • Oxygen conc is unstable • Minimum flow rate 8 L/min Dr Yusuf Imran, J.N.M.C, AMU, India
- 18. Dr Yusuf Imran,J.N.M.C, AMU, India
- 19. Tracheostomy Mask • Deliversheated, humidified Oxygen or air • FiO2 is set by dial on blender • Maximum FiO2 = 40-60 % • Minimum flow rate = 8 L/min Dr Yusuf Imran, J.N.M.C, AMU, India
- 20. Dr Yusuf Imran,J.N.M.C, AMU, India
- 21. ThankYou Dr Yusuf Imran,J.N.M.C, AMU, India