What is emphysema What is its major cause class 11?

What is emphysema What is its major cause class 11?

The major cause of emphysema is smoking; a person can develop emphysema after many years of inhaling polluted air.

Which is the most common cause of emphysema?

The major cause of emphysema is smoking; a person can develop emphysema after many years of inhaling polluted air. Most of the emphysema patients have been found related to smoking in some sort or another, over the years. Air pollutants in-home or work-space, genetic factors and other respiratory infections also play a part in causing emphysema.

Why is it important to not smoke if you have emphysema?

This is why not smoking or stopping smoking is very important. Emphysema is a condition that involves damage to the walls of the air sacs (alveoli) of the lung. Alveoli are small, thin-walled, very fragile air sacs located in clusters at the end of the bronchial tubes deep inside the lungs.

What happens to the air sacs when you get emphysema?

You get emphysema when the linings of the tiny air sacs in your lungs become damaged beyond repair. Over time, your lung damage gets worse. Here’s what happens: The fragile tissues between air sacs are destroyed and air pockets form in the lungs. Air gets trapped in these pouches of damaged tissue.

What to do if you have symptoms of emphysema?

If you have symptoms of emphysema, your doctor will do tests to see how well your lungs work. If you have the condition, you won’t be able to empty your lungs of air as quickly as you should. Doctors call this “airflow limitation.”.

What are the early signs of emphysema?

Early Symptoms of Emphysema. You can have emphysema for years and not know it. But there is one major symptom and it usually starts slowly: shortness of breath.

What is treatment for pulmonary emphysema?

Pulmonary Rehabilitation. An important part of emphysema treatment is pulmonary rehabilitation, which includes education, nutrition counseling, learning special breathing techniques, help with quitting smoking and starting an exercise regimen. Because people with emphysema are often physically limited, they may avoid any kind of physical activity.

Is Panlobular emphysema COPD?

Centrilobular emphysema is most often seen in people over 50, while panlobular emphysema is often seen in younger people who smoke cigarettes. Centrilobular emphysema may overlap with COPD, while panlobular emphysema is almost exclusively present in severe COPD. A person’s lungs absorb the chemicals in cigarette smoke.

What does emphysema mean?

emphysema – Medical Definition. n. A pathological condition of the lungs marked by an abnormal increase in the size of the air spaces, resulting in labored breathing and an increased susceptibility to infection. It can be caused by irreversible expansion of the alveoli or by the destruction of alveolar walls.