What Is Normal PaO2 and What Do the Levels Mean?
Aug 15, 2025 · For healthy adults breathing room air at sea level, a normal PaO2 typically falls within the range of 75 to 100 millimeters of mercury (mmHg). This range signifies adequate oxygen transfer …
Partial Pressure of Oxygen (PaO2) Test - Verywell Health
Dec 8, 2025 · When the body is functioning normally, the normal range for partial pressure of oxygen is between 75 and 100 mmHg (at sea level). 8 A result in this range means a sufficient amount of …
Arterial Blood Gas (ABG): What It Is, Purpose, Procedure & Levels
In general, normal values at sea level include: pH: 7.35-7.45. Partial pressure of oxygen (PaO2): 75 to 100 millimeters of mercury (mmHg). Partial pressure of carbon dioxide (PaCO2): 35 to 45 mmHg. …
What is a normal partial pressure of arterial oxygen (PaO2) level?
Feb 22, 2025 · The normal partial pressure of arterial oxygen (PaO2) levels can vary depending on several factors, including age and underlying medical conditions. A study published in 2015 2 found …
Blood gas tension - Wikipedia
Blood gas tests (such as arterial blood gas tests) measure these partial pressures. PaO2 – Partial pressure of oxygen at sea level (160 mmHg (21.3 kPa) in the atmosphere, 21% of the standard …
What does PaO2 stand for? - Drlogy
PaO2 reflects the pressure of oxygen dissolved in the plasma, indicating how well the lungs oxygenate the blood. Normal PaO2 levels typically range between 75 to 100 mmHg, but actual values can vary …
What Is a Normal PaO2 Level for Blood Oxygen? - ScienceInsights
Nov 24, 2025 · The Standard Normal Range For a healthy young adult breathing room air at sea level, the standard normal range for PaO2 falls between 80 and 100 millimeters of mercury (mmHg).
Arterial Blood Gas - StatPearls - NCBI Bookshelf
Jan 8, 2024 · The value consistent with the pH is PaCO 2. Therefore, this is a primary respiratory alkalosis. The HCO 3 is in the normal range and, thus, not inconsistent with the pH, so there is a lack …
Normal Blood Oxygen Levels Chart: Symptoms of Low Oxygen Level
Sep 25, 2025 · Normal oxygen levels (SpO2) are between 95% and 100%, indicating an adequate concentration of oxygen in the bloodstream. Levels below 90% are low (hypoxemia) and may often …
ABG Interpretation | A guide to understanding ABGs | Geeky Medics
Jun 12, 2016 · Below are a few examples to demonstrate how important context is when interpreting an ABG: A ‘normal’ PaO2 in a patient on high flow oxygen: this is abnormal as you would expect the …