A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s ...

Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

Marine life receives its oxygen from warm water on the ocean's surface, but if there's no mixing with the colder water sitting below, then bottom-dwelling marine life, like lobsters, are unable to ...

Colleen Brown who is a PhD student at UNCW in the aquatic ecology laboratory says they found oxygen levels as low as 5% in the area where the fish were found. The Cape Fear River Watch has closed the ...

If you notice low oxygen in your fish tank, there are some easy solutions. Reviewed by Nick Saint-Erne Ensure proper tank maintenance, avoid overcrowding, and monitor fish behavior to prevent low ...

A recent report out of Oregon State University paints a picture of how ocean oxygen levels have decreased in the Pacific Northwest over the years. The report found near-bottom levels of dissolved ...

Fish kills on small lakes and ponds can occur during summer if dissolved oxygen levels in the water crash. "It can happen on any body of water or a section of a body of water," said Eric Brinkman, ...

A recent study explored one possible cause -- hyperoxia or high concentrations of oxygen given to such patients during surgery -- as opposed to doses more similar to air. The study concluded that ...

DELTA, Colo. (KREX) – Reports of several dead fish at Sweitzer Lake prompted Colorado Parks and Wildlife (CPW) to test the water, which revealed low dissolved oxygen levels that are killing the ...

If someone’s blood oxygen level falls below 60 mm Hg, there may not be enough oxygen reaching the body’s vital organs. This can lead to symptoms such as shortness of breath and dizziness. This article ...