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https://www.mdcalc.com/oxygenation-index
The Oxygenation Index Predicts outcomes, especially in pediatric patients by helping to determine need for ECMO. This is an unprecedented time. It is the dedication of healthcare workers that will lead us through this crisis. Thank you for everything you do. COVID-19 Resource Center.
https://www.uptodate.com/contents/oxygen-delivery-and-consumption
The oxygen is then transported from the lungs to the peripheral tissues, where it is removed from the blood and used to fuel aerobic cellular metabolism. This process can be conceptualized as three steps: oxygenation, oxygen delivery, and oxygen consumption. In this topic review, oxygen delivery and consumption are reviewed.
https://www.openanesthesia.org/peripheral_oxygen_delivery/
If cardiac output is 5 L/min, then total oxygen delivery is 1057 mL/min. This blood then travels to the periphery where the PO2 is 40 mmHg. From the oxyhemoglobin dissociation curve, it is evident that a PO2 of 40 is equal to an oxygen saturation of 75%. Using the equation for oxygen content again, the amount of oxygen in venous blood is 15.76 ...
https://pbrainmd.wordpress.com/2016/01/21/do2-equation/
Jan 21, 2016 · The equation usually used to describe the rate of oxygen delivery is as follows: This equation will not be applicable when levels of dys-hemoglobins (e.g. metHb, carboxyHb, etc) are high. A better formula to describe DO2, taking into account only the concentration of effective Hb would be:
https://rk.md/2017/oxygen-delivery-equation/
Mar 26, 2017 · [Hb] is the hemoglobin concentration, SpO2 is the arterial oxygen saturation (as a decimal), PaO2 is the partial pressure of oxygen in the blood. It’s important to consider acute changes (ie, hemorrhage and desaturation) in the context of this equation. As shown, a patient could easily saturate at 100%… but only have a hemoglobin of 4 g/dL.
http://www.medcalc.com/oxygen.html
Oxygen Index (for use with ECMO--Extracorporeal Membrane Oxygenation) Inspired Oxygen Concentration (Fi O 2): % Mean Airway Pressure (MAP): mmHg Pa O 2 (partial pressure of arterial O 2): mmHg Oxygen Index (OI) = Oxygen Index (OI) = FiO 2 x MAP x 100----- PaO 2 ...
http://surgicalcriticalcare.net/Lectures/PDF/oxygen%20calculations.pdf
Oxygen Transport Calculations – M . L. Cheatham, MD, FACS, FCCM Revised 01/14/2009 2 OXYGEN TRANSPORT BALANCE • If oxygen delivery and oxygen consumption are balanced – “Supply” equals “demand” – The cellular requirements of the body are met – N l t b li d i hibit dNorma l me ta b o lic processes procee d un in hibit e d – Anaerobic metabolism is minimized
https://en.wikipedia.org/wiki/Oxygenation_index
The oxygenation index is a calculation used in intensive care medicine to measure the fraction of inspired oxygen (FiO2) and its usage within the body.. A lower oxygenation index is better - this can be inferred by the equation itself. As the oxygenation of a person improves, …
http://www.learnhemodynamics.com/hemo/oxygen.htm
Oxygen Delivery - DO 2. ... In just the same way that we used cardiac index instead of total cardiac output to compare patients of differing sizes, so we can substitute cardiac index in place of cardiac output in the equation above, to give us oxygen delivery index or DpO2I. Taking a typical cardiac index as 2.4 – 3.2 L/min/m2 and inserting ...
https://www.respcalc.com/oxygen-index-oi/
Oxygenation Index = (FiO2 * Mean Airway Pressure) / PaO2 The oxygenation index is used to assess the intensity of ventilatory support required to maintain oxygenation. It is used in neonates / pediatrics to assess the need for potential ECMO therapy. Fraction of inspired oxygen (FiO2) in %: Mean airway pressure (MAP) in mmHg: Partial […]
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