In the developing world, COPD often occurs in people exposed to fumes from burning fuel for cooking and heating in poorly ventilated homes. The main cause of COPD in developed countries is tobacco smoking. Seek immediate medical care if you can't catch your breath, if you experience severe blueness of your lips or fingernail beds (cyanosis) or a rapid heartbeat, or if you feel foggy and have trouble concentrating. Talk to your doctor if your symptoms are not improving with treatment or getting worse, or if you notice symptoms of an infection, such as fever or a change in sputum. People with COPD are also likely to experience episodes called exacerbations, during which their symptoms become worse than the usual day-to-day variation and persist for at least several days. Unintended weight loss (in later stages).A chronic cough that may produce mucus (sputum) that may be clear, white, yellow or greenish.Shortness of breath, especially during physical activities.March 17, 2021.COPD symptoms often don't appear until significant lung damage has occurred, and they usually worsen over time, particularly if smoking exposure continues. Pneumothorax ⸺ Time for new guidelines? Seminars in Respiratory and Critical Care Medicine. Endobronchial one-way valves for treatment of persistent air leaks: A systematic review. What is spontaneous pneumothorax? American Journal of Respiratory and Critical Care Medicine. In: Tintinalli's Emergency Medicine: A Comprehensive Study Guide. Sometimes air may continue to leak if the opening in the lung won't close or pneumothorax may recur. Potential complications vary, depending on the size and severity of the pneumothorax as well as the cause and treatment. Anyone who has had one pneumothorax is at increased risk of another. Certain types of pneumothorax appear to run in families. The risk increases with the length of time and the number of cigarettes smoked, even without emphysema. Underlying lung disease or mechanical ventilation can be a cause or a risk factor for a pneumothorax. The type of pneumothorax caused by ruptured air blisters is most likely to occur in people between 20 and 40 years old, especially if the person is very tall and underweight. In general, men are far more likely to have a pneumothorax than women are. The ventilator can create an imbalance of air pressure within the chest. A severe type of pneumothorax can occur in people who need mechanical assistance to breathe. These air blisters sometimes burst - allowing air to leak into the space that surrounds the lungs. Small air blisters (blebs) can develop on the top of the lungs. Cystic lung diseases, such as lymphangioleiomyomatosis and Birt-Hogg-Dube syndrome, cause round, thin-walled air sacs in the lung tissue that can rupture, resulting in pneumothorax. Lung damage can be caused by many types of underlying diseases, such as chronic obstructive pulmonary disease (COPD), cystic fibrosis, lung cancer or pneumonia. Damaged lung tissue is more likely to collapse. Some injuries may happen during physical assaults or car crashes, while others may inadvertently occur during medical procedures that involve the insertion of a needle into the chest. Any blunt or penetrating injury to your chest can cause lung collapse.
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