Depending on the area seen in an individual picture, brown, yellow and green continents can be seen or parts of Earth can be covered by white clouds. Earth is by far the most dynamic planet when seen from space.
Oxygen therapy is a medical treatment. It must be prescribed by a doctor. For people with COPD, oxygen therapy can be a helpful part of their treatment plan. The prescription your doctor writes will include: If you need oxygen for rest, exercise and/or sleep, and how much in liters per minute (lpm) for each activity.
1 They also may show whether another condition, such as heart failure, is causing your symptoms. 2  An arterial blood gas test. 3  This blood test measures the oxygen level in your blood using a sample of blood taken from an artery. 4  The results from this test can show how severe your COPD is and whether you need oxygen therapy.