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At sea level, the partial pressure of oxygen should be between 75 and 100 millimeters of mercury, and the partial pressure of carbon dioxide should be between 38 and 42 millimeters of mercury, notes MedlinePlus. The oxygen saturation of the blood should be between 94 and 100 percent.


In the strictest sense, blood that is being carried toward the heart is venous, while blood being carried away from the heart is arterial, according to Dictionary.com. However, with the exception of the blood carried by the pulmonary arteries and veins, blood in the arteries also carries more oxygen


Venous ablation is a surgical procedure in which the focused application of a small amount of heat closes up a damaged or abnormally functioning vein, according to the Dotter Interventional Institute. The procedure treats venous reflux.


Lymph flow is highly dependent on the contraction of skeletal muscles and pressure alterations during breathing. Similarly, venous blood flow relies on breathing movements and contraction of skeletal muscles, "Hole’s Human Anatomy and Physiology" explains.


The first step in drawing blood is assembling the necessary phlebotomy equipment, followed by identifying and preparing the patient, selecting the site, and performing hand hygiene, according to Bookshelf. After hand hygiene, phlebotomists disinfect the entry site, perform venipuncture and fill the


Getting your blood drawn will likely happen at some point in your life, whether for a blood test or donating blood. We'll walk you through the typical procedure so you know what to expect, and give some tips for both patients and providers for a good experience. It’s likely that at some point in you


Learn about a blood smear, including why it's done, what to expect during it, and how to interpret its results. What is a blood smear? A blood smear is a blood test used to look for abnormalities in blood cells. The three main blood cells that the test focuses on are: The test provides information o


A blood smear is a test in which the different types of blood cells are evaluated under a microscope. Learn about its uses and what the results might mean. A blood smear, also referred to as a peripheral smear for morphology, is an important test for evaluating blood-related problems, such as those


Overview Blood typing is a test that determines a person’s blood type. The test is essential if you need a blood transfusion or are planning to donate blood. Not all blood types are compatible, so it’s important to know your blood group. Receiving blood that’s incompatible with your blood type could


Also known as ABG, arterial blood gas testing is a diagnostic test performed by taking blood from an artery to assess how well the lungs are working. Sanja Jelic, MD, is board-certified in sleep medicine, critical care medicine, pulmonary disease, and internal medicine. Arterial blood gas (ABG) test