Which medical term describes low oxygen levels in the blood?

The term that accurately describes low oxygen levels in the blood is "hypoxia." Hypoxia refers specifically to a condition where there is a deficiency in the amount of oxygen reaching the tissues, which can occur due to a variety of factors, such as respiratory issues, anemia, or high altitudes. It is crucial for medical professionals to recognize hypoxia as it can lead to serious complications if not addressed, given that oxygen is vital for cellular metabolism and overall body function.

In contrast, hemorrhage denotes excessive bleeding, and hypotension refers to abnormally low blood pressure, neither of which directly relate to oxygen levels. Hypertension is the opposite of hypotension, indicating high blood pressure, and does not pertain to the amount of oxygen present in the blood. Understanding these distinctions is essential for accurate medical communication and patient care.