oxygen therapy...new

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  • 1.LT COL UMESH KUMAR ANAESTHESIOLOGIST LEVEL III HOSPITAL CONGO DRC

2. 70 yrs man K/C/O COPD Respiratory Distress Diaphoretic and Agitated H/O : Progressive dysponea With worsening productive cough Fever and chills 3. BP -150/90mmHg HR-130/min Temp-38.5 C RR-33/min SPO2-80% Does pt need O2 ? How much need ? How to deliver O2 ? 4. IT IS THE ADMINISTRATION OF O2 CONCENTRATION GREATER THAN THAT IN ROOM AIR TO TREAT OR PREVENT HYPOXEMIA 5. History Indication O2 requirement O2 delivery system Complication 6. Joseph Priestley discovered element of oxygen in 1774 7. In 1783 French physician Dr Caillens first time used oxygen therapy as a remedial measure in disease 8. 160mmHg (PiO2) 110mmHg(PAO2) 90-100mmHg( PaO2) 20-40mmHg(PtO2 ) 5-20mmHg(PO2 at mitocondria) 9. TRANSPORT OF OXYGEN 10. TRANSPORT OF CO2 11. Principally Hypoxemia Poor ventilatory effort post operative Sedation Confusion Poor oxygen delivery- shock 12. Severe anaemia Heart failure Severe trauma Acute illness Poisoning 13. Clinical Assessment Noninvasive -Pulse oxymeter -Capnograph Invasive -ABG analysis 14. Tachypnoea Dyspnoea Tachycardia Severe anaemia Cyanosis Disorientation, Agitation,Lethargy Restlessness 15. SPO2 45mmHg 17. PaO2