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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)
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
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. One gramme of haemoglobin can carry 1.34 ml of oxygen as oxyhaemoglobin.
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
https://pbrainmd.wordpress.com/2016/01/21/do2-equation/
Jan 21, 2016 · The formula below summarizes the various factors that contribute to tissue oxygen delivery, and is worthwhile to remember when thinking about a patient’s oxygen status. DO2 = CO x (sO2 x ceHb x 1.39) + (PaO2 x 0.03) DO2 = total blood oxygen content sO2 = oxygen saturation
https://www.openanesthesia.org/o2_delivery_vs-_pao2/
So oxygen delivery is dependent on cardiac output as well as the arterial oxygen content. The arterial oxygen content is based on the amount of hemoglobin (Hb), the saturation of hemoglobin with oxygen (SaO2), and the amount of oxygen that each gram of hemoglobin can carry, which has been calculated to be between 1.32 and 1.39, depending on the circumstances.
https://reference.medscape.com/calculator/oxygen-content-arterial-blood
The Oxygen Content of Arterial Blood calculator determines a patient s CaO2. The parameters used in the calculator include Hgb, O2Sat, and PaO2.
https://reference.medscape.com/calculator/oxygen-consumption
The Oxygen Consumption calculator determines a patient s VO2. The parameters used in the calculator include VExp, FIO2, FEO2.
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