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https://www.openanesthesia.org/o2_delivery_vs-_pao2/
This is summarized by the equation below: CaO2=(1.34 X Hgb X SaO2) + (0.003 X PaO2) Therefore, oxygen delivery can be affected by changes in cardiac output as well as changes in the oxygen saturation of hemoglobin, the amount of hemoglobin available, and to a much smaller extent the PaO2 (the amount of oxygen dissolved in the blood).
https://rk.md/2017/oxygen-delivery-equation/
Mar 26, 2017 · One of the most important equations in physiology describes the delivery of oxygen to tissues in the body.Naturally, this would be related to the cardiac output (CO) and overall oxygen content in the blood (CaO2). As I wrote about in a previous post, the cardiac output is heavily dependent on a myriad of factors, but the CaO2 is described as follows: ...
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.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.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://academic.oup.com/bjaed/article/16/10/341/2288629
May 17, 2016 · Oxygen delivery 5, 11, 14. Traditionally, in anaesthesia and critical care medicine, the product of cardiac output and oxygen content has been referred to as ‘oxygen delivery’, despite the fact that this is inherently incorrect.Author: J-Oc Dunn, MG Mythen, MP Grocott, MP Grocott
http://e-safe-anaesthesia.org/e_library/02/Oxygen_delivery_and_haemoglobin_CEACCP_2004_2.pdf
Oxygen delivery Global oxygen delivery (D_ O2) is the amount of oxygen delivered to the whole body from the lungs. It is the product of total blood flow or cardiac output (CO) and the oxygen content of arterial blood (Ca O 2) and is usually expressed in ml min 1: D_ O 2 ¼CO Ca O 2 The oxygen content of arterial blood (Ca O 2)is described using ...
https://www.researchgate.net/publication/6113661_Normal_Cardiac_Output_Oxygen_Delivery_And_Oxygen_Extraction
cardiac output, oxygen delivery and extraction 7 against altitude a nd closely resembles the pattern for cerebral DO 2 with an extra point from a slow ascent to high altitude ( Δ , 5000 m).Author: Christopher Wolff
https://www.sciencedirect.com/topics/medicine-and-dentistry/fick-principle
Fick's principle allows highly accurate calculation of cardiac output. Total oxygen consumption, VO 2, in the tissues must equal the delivered oxygen less the returned oxygen. Delivered oxygen is equal to cardiac output multiplied by arterial oxygen content (C a, determined in a systemic artery).
https://www.frca.co.uk/article.aspx?articleid=100344
Oxygen delivery (DO 2) = 1005 ml/min. Oxygen uptake is the amount of oxygen taken up by the tissues that can be calculated from the difference between oxygen delivery and the oxygen returned to the lungs in the mixed venous blood. The oxygen returned is given by the product of the mixed venous oxygen content (CvO 2) and the cardiac output.
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