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www.reference.com/article/normal-venous-po2-2f57d9c9bff0f7a

For a 1-month-old to an adult, normal venous pO2 levels range from 25 to 29 millimeters of mercury. PO2 is one of several blood gases that are measured to evaluate lung function and the acid-versus-base balance.

www.reference.com/article/venous-ulcer-63a0ddf24df3da8d

Venous ulcers are open sores or wounds that do not heal or keep coming back, forming lower than the knee, on the inside part of the leg, notes ClevelandClinic.org. Patients with history of swelling in the legs, varicose veins or blood clots in veins commonly develop the...

www.reference.com/article/venous-reflux-b5097e8827dc3c67

Venous reflux is a disease in which the valves that control the flow of blood in the veins in the legs do not properly close, allowing for the backwards flow of blood to the legs, according to Sapheon. This condition afflicts more than 30 million people in the United St...

www.reference.com/article/venous-leg-ulcers-b11536487d69a7f5

Venous leg ulcers are shallow wounds that occur when the veins in the leg do not send blood back to the heart properly, according to WebMD. This condition is known as venous insufficiency, and one result is ulcers that form between the calf and ankle, along the sides of...

www.reference.com/article/venous-insufficiency-a85e6012b2715895

Venous insufficiency is a condition where the flow of blood from the legs to the heart is impaired. The most common causes of venous insufficiency are deep vein thrombosis and varicose veins, according to Cleveland Clinic.

www.reference.com/article/venous-skin-ulcers-59822d398927915e

Venous skin ulcers are skin wounds that result from venous insufficiency, which is a condition in which blood in the leg veins fails to flow back to the heart due to damaged valves, according to WebMD. These wounds are shallow in nature and typically attack the lower le...

www.reference.com/article/venous-ablation-191710042f3e2e3b

Venous ablation is a procedure where laser or radio-frequency energy cauterizes or burns dilated veins, according to RadiologyInfo.org. This closes and seals the veins. The procedure is used cosmetically, but it is most often used to relieve pain, inflammation, ulcers a...