A: Symptoms of oxygen deficiency, also known as hypoxemia, include shortness of breath, rapid breathing or heart rate, confusion, headaches, dizziness, bluish tint to lips or skin, fatigue, and difficulty concentrating.
A: Symptoms of oxygen deficiency, also known as hypoxemia, include shortness of breath, rapid breathing or heart rate, confusion, headaches, dizziness, bluish tint to lips or skin, fatigue, and difficulty concentrating.