2024年11月19日 · Emphysema is a long-term lung condition that causes shortness of breath. Over time, the condition damages the thin walls of the air sacs in the lungs called alveoli. In healthy lungs, these sacs stretch and fill with air when you breathe in. The elastic sacs help the air leave when you breathe out.

Emphysema is a chronic obstructive pulmonary disease that damages the air sacs in your lungs and makes it hard to breathe. You can’t reverse emphysema damage, and it’ll gradually get worse. However, you can manage the symptoms with treatment and slow down the …

2024年11月19日 · Spirometry is the most common test to diagnose emphysema. During spirometry you blow into a large tube connected to a small machine. This measures how much air your lungs can hold and how fast you can blow the air out of your lungs. Spirometry tells how much airflow is limited.

Key Facts About Emphysema. Over three million people in the United States are living with emphysema. Emphysema can be caused by smoking, indoor and outdoor air pollution and by a genetic form of COPD called alpha-1 antitrypsin deficiency. Signs and symptoms of emphysema may take years to develop.

Emphysema is any air-filled enlargement in the body's tissues. [5] Most commonly emphysema refers to the permanent enlargement of air spaces in the lungs, [5] [6] and is also known as pulmonary emphysema.

2025年3月28日 · Emphysema, specifically, is a pathological diagnosis that affects the air spaces distal to the terminal bronchiole. It is characterized by abnormal and permanent enlargement of lung air spaces, the destruction of the air space walls without fibrosis, and a loss of elasticity in the lung parenchyma.

2024年1月16日 · Emphysema is a chronic obstructive pulmonary disease that presents as an abnormal and permanent enlargement of air spaces distal to the terminal bronchioles. This enlargement interferes with the efficient oxygen exchange and leads to respiratory difficulties.