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The respiratory system helps you breathe. The main parts of the respiratory system are the lungs, the airways, and the muscles that enable breathing. The circulatory system, which is made up of the heart, veins, arteries, and capillaries, brings blood to and from the lungs and delivers nutrients and oxygen to tissues of the body while removing carbon dioxide and waste products. Other body systems that work with the respiratory system include the nervous system, lymph system, and immune system.

How your pleural disorder is treated depends on what type of pleural disorder you have and how severe it is. Some pleural disorders go away without treatment. Others will require a procedure to remove air, fluid, or other material from the pleural space. The goal of treatment is to relieve symptoms and treat the underlying condition.

Conditions that damage or overwork the heart muscle can cause the heart to weaken, including coronary heart disease, diabetes, high blood pressure, other heart conditions, and other factors.

While Marfan syndrome has no cure, treatments can help delay or prevent complications, especially when started early. The type of treatment you receive will depend on what parts of your body are affected and the severity of your condition. You may have a team of doctors and specialists to coordinate your care.

La enfermedad pulmonar obstructiva crónica, o EPOC, es una enfermedad progresiva que causa dificultad para respirar. En los Estados Unidos el término EPOC abarca dos enfermedades principales, el enfisema y la bronquitis crónica.

Causes of iron-deficiency anemia include blood loss, consuming too little iron, problems absorbing iron, and certain medical conditions.

Risk factors for overweight and obesity include having unhealthy lifestyle habits such as lack of physical activity, unhealthy eating behaviors, not getting enough sleep, having high amounts of stress; being a certain age; living in unhealthy environments, having a family history; being a certain race or ethnicity; or being a certain sex.

COPD, or chronic obstructive pulmonary disease, is a progressive disease that makes it hard to breathe. In the United States, the term COPD includes two main conditions—emphysema and chronic bronchitis.

You may or may not notice atrial fibrillation. It often occurs with no signs or symptoms. If you do have symptoms, you may notice something that occurs only occasionally. Or, your symptoms may be frequent or serious.

Arrhythmia is caused by changes to heart tissue. It can also occur suddenly as a result of exertion or stress, imbalances in the blood, medicines, or problems with electrical signals in the heart. Typically, an arrhythmia is set off by a trigger, and the irregular heartbeat can continue if there is a problem in the heart. Sometimes the cause of an arrhythmia is unknown.