Our knowledge of bird nutrition is constantly evolving. This is due both to heightened awareness of the importance of nutrition and to increased research into birds different needs. As with all other animals, birds need a proper balance of carbohydrates, proteins, fat, vitamins, minerals and water.
A person with emphysema will have shortness of breath â during physical activity and, when the condition is more advanced, also during rest. Patients may eventually need supplemental oxygen and may have to rely on mechanical respiratory devices. Other symptoms of emphysema include: 1  Chronic cough. 2  Frequent respiratory infections. 3  Reduced appetite. 4  Weight loss.
Symptoms and signs. Signs and symptoms of spontaneous subcutaneous emphysema vary based on the cause, but it is often associated with swelling of the neck and chest pain, and may also involve sore throat, neck pain, difficulty swallowing, wheezing and difficulty breathing. Chest X-rays may show air in the mediastinum, the middle of the chest cavity.