Mar 26, 2017 · The arterial oxygen delivery (DO2) equation is undeniably one of the most essential physiologic principles. DO 2 is comprised of two variables: Cardiac output (CO): This is the product of heart rate (HR) and stroke volume (SV), …

Low Oxygen Delivery as a Predictor of Acute Kidney Injury during Cardiopulmonary Bypass. J Extra Corpor Technol. 2017 Dec;49(4):224-230. PMID: 29302112; PMCID: PMC5737422.

Global oxygen delivery (DO 2) is the total amount of oxygen delivered to the tissues in the entire body per minute, regardless of the distribution of blood flow. It is the product of total blood flow or cardiac output (CO) and the oxygen content of arterial blood …

Aug 13, 2024 · Do2, or Oxygen Delivery (DO2), is a term used in medicine to refer to the amount of oxygen that is being delivered to the tissues in the body. It is calculated by multiplying the cardiac output (the amount of blood the heart pumps in …

Initially, as metabolic demand (VO2) increases, or DO2 diminishes, O2ER rises to maintain aerobic metabolism and consumption remains independent of delivery. However, at a point called critical DO2 (cDO2)—the maximum O2ER is reached. This is believed to be ~70%.

Jan 31, 2024 · DO2 is regulated by homeostatic mechanisms to be maintained 5 times VO2 under normal physiological conditions. If DO2 is impaired (decreased CO, hypoxemia, anemia) more oxygen is extracted leading to a lower venous oxygen content.

MediCalc® | Equations | Pulmonary | Oxygen Delivery & Consumption | DO2 : Quick Help

Oxygen Delivery: DO2 • How much O2 is carried in the blood & how fast it is being delivered to the tissues • Reference value = 1000 mL/min

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Jan 21, 2016 · A better formula to describe DO2, taking into account only the concentration of effective Hb would be: Example: DO2 = 5 × (1.39 × 150 × 1 + (0.003 × 100)) = 1044 ml/min [15ml, dissolved, 1029ml bound]. Total rate of O 2 delivery is usually around 15ml/kg/min. Oxygen solubility is poor at body temperature, ~0.03ml/L/mmHg.