emphysema results in
-loss of elastic recoil & enlarged air spaces-elastic action of alveolar septum holding bronchioles open during expiration is lost -> airways collapse & become obstructed
Emphysema is a chronic respiratory disease that affects the lungs. It results in the destruction and enlargement of the air sacs (alveoli) in the lungs, which decreases their ability to function properly. This results in breathing difficulties and a reduced oxygen supply to the body.
The most common cause of emphysema is smoking, and it can also be caused by long-term exposure to air pollution, chemical fumes, and dust. It is often associated with chronic obstructive pulmonary disease (COPD) which includes chronic bronchitis and asthma.
Symptoms of emphysema include shortness of breath, wheezing, chest tightness, fatigue, and a chronic cough. As the disease progresses, patients may experience weight loss, difficulty in performing daily activities, and eventually, respiratory failure.
There is currently no cure for emphysema, but treatment options can help manage the symptoms and prevent further damage to the lungs. These treatment options may include medication, oxygen therapy, pulmonary rehabilitation, and surgery in severe cases. It is crucial for individuals with emphysema to quit smoking and avoid exposure to environmental irritants to prevent further progression of the disease.
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