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https://www.openanesthesia.org/o2_delivery_vs-_pao2/
Oxygen delivery is defined as the amount of oxygen delivered to the capillaries per minute. It is calculated by the following formula: DO2=CO x CaO2 (mL/min/m2) So oxygen delivery is dependent on cardiac output as well as the arterial oxygen content.
http://www.learnhemodynamics.com/hemo/oxygen.htm
Oxygen Delivery - DO 2 The prime function of the circulation is to deliver oxygen and nutrients to the tissues and to remove waste products from them. If we know the cardiac output and the patient's haemoglobin level and oxygen saturation, then we can calculate one further critical value in hemodynamics - the oxygen delivery to the body or DO2.
https://www.timeofcare.com/oxygen-delivery-methods/
The formula is FIO2 = 20% + (4 × oxygen liter flow). The FIO2 is influenced by RR, tidal volume and pathophysiology. The slower the inspiratory flow the higher the FIO2. – Flow rates >4 liters per minute irritate nasopharynx: Venturi mask: Typical FIO 2 delivery settings are 24, 28, 31, 35 and 40% oxygen.
https://www.openanesthesia.org/peripheral_oxygen_delivery/
Oxygen delivery to the periphery depends on the oxygen content of blood and tissue blood flow. The oxygen content of blood has two components: oxygen bound to hemoglobin and oxygen dissolved in plasma. Oxygen bound to hemoglobin is generally the much greater contributor to oxygen content.
http://www.e-safe-anaesthesia.org/e_library/02/Oxygen_delivery_Update_2008.pdf
known as the oxygen delivery: Oxygen delivery (ml O 2.min-1) = = Cardiac output (l.min-1) x Hb concentration (g.l ) x 1.34 (ml O 2.gHb-1) x % saturation-1= 5000ml.min-1 x 200ml O 2.1000ml blood = 1000ml O 2.min-1 oxygen consumption Approximately 250ml of oxygen are used every minute by a conscious resting person (resting oxygen consumption) and therefore
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 minimizedFile Size: 412KB
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.
http://www.oxfordmedicaleducation.com/prescribing/oxygen-delivery/
The percentage of oxygen inspired depends on the flow rate and the delivery device; The flow rate can be set on the wall tap: it varies from 0 – 15L per minute; Delivery devices work with different flow rates. They include… Nasal cannulae. Deliver 24-30% oxygen…
https://www.respcalc.com/arterial-oxygen-content/
The arterial oxygen content equation: CaO2 = (1.34 * Hb * SaO2) + (0.0031 * PaO2). The normal oxygen combining capacity is 1.39 mls/gram, however due to abnormal forms of hemoglobin such as carboxyhemoglobin and methemoglobin this value is reduced to …
https://www.oxygenconcentratorstore.com/breathe-easy/oxygen-flow-rates-and-percentages/
The percentage of oxygen you are receiving from a given flow rate is not a precise science, but there are some guidelines you can rely on for a relatively accurate estimate. Comparing the fraction of inspired oxygen (FiO2) in the air to a portable oxygen …
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