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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: Example: ceHb = 150g/L; Wt = 70 Kg; PaO2 = 100; SO2 = 100%
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.
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.
https://www.openanesthesia.org/peripheral_oxygen_delivery/
Oxygen Delivery. Therefore, oxygen delivery can be calculated: DO2 = CaO2 x CO. Oxygen Content. Oxygen content can be calculated as: CO2 = (1.39 x Hb x O2Sat/100) + (0.003 x PO2) Oxygen Consumption. Oxygen consumption can be calculated by the Fick principle as the difference between arterial and venous oxygen content: VO2 = CO x (CaO2 – CvO2)
https://www.medicalicu.com/svo2-and-lactate-clearance
Oxygen delivery (DO2) is calculated by this equation: DO2 = Cardiac Output × CaO2 × 10. The product of the cardiac output and CaO2 is multiplied by 10 because CaO2 is expressed in dL while CO is expressed as L/min. For a “normal” cardiac output of 5 L/min and a hemoglobin of 15 g/dL, the DO2 is about 1000 mL O2/min.
http://www.deltexmedical.com/decision_tree/delivered-oxygen-do2/
Delivered Oxygen (DO2) DELIVERED OXYGEN (DO 2 ) Whilst global delivered oxygen is an important principal to be considered as part of cardiovascular management, the various causes of a reduced global oxygen delivery (haemorrhage, anaemia, hypoxia) can result in different haemodynamic effects.
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://litfl.com/oxygen-extraction-ratio/
Apr 09, 2019 · global oxygen delivery (DO2) is the total amount of oxygen delivered to the tissues per minute, irrespective of the distribution of blood flow; oxygen consumption (VO2) is the total amount of oxygen removed from the blood due to tissue oxidative metabolism per minute; Under resting conditions with normal distribution of cardiac output, DO2 is more than adequate to meet VO2 and ensure that …
https://www.uptodate.com/contents/oxygen-delivery-and-consumption
In dyshemoglobinemias, the oxygen content is calculated with the same equation, although the saturations (and therefore the oxygen content) will be different for a specific PaO 2 [1]. Normal CaO 2 is approximately 20 mL O 2 /dL.
https://www.respcalc.com/arterial-oxygen-content/
SaO2 is the percentage of available hemoglobin that is saturated with oxygen, this value is from a direct measurement of an arterial blood gas. 0.0031 is the solubility coefficient of oxygen at body temperature. PaO2 is the Partial Pressure of Oxygen (Alveolar Gas Equation) in …
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