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 The use of supplemental oxygen is indicated when a patient with COPD has a partial pressure of oxygen (PaO2) level of 55 mmHg or less or an oxygen saturation (SaO2) level of 88% or less. 2  The therapy has been shown to significantly increase patientsâ lifespan.