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Respiratory diseases and conditions | zdrav.kz
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Respiratory diseases and conditions

Breathing is a complex process. If injury, disease, or other factors affect any part of the process, you may have trouble breathing.

For example, the fine hairs (cilia) that line your upper airways may not trap all of the germs you breathe in. These germs can cause an infection in your bronchial tubes (bronchitis) or deep in your lungs (pneumonia). These infections cause a buildup of mucus or fluid that narrows the airways and limits airflow in and out of your lungs.

If you have asthma, breathing in certain substances that you're sensitive to can trigger your airways to narrow. This makes it hard for air to flow in and out of your lungs.

Over a long period, breathing in cigarette smoke or air pollutants can damage the airways and air sacs. This can lead to a disease called COPD (chronic obstructive pulmonary disease). COPD prevents proper airflow in and out of your lungs and can hinder gas exchange in the air sacs.

An important step to breathing is the movement of your diaphragm and other muscles in your chest, neck, and abdomen. This movement lets you inhale and exhale. Nerves that run from your brain to these muscles control their movement. Damage to these nerves in your upper spinal cord can cause breathing to stop, unless a machine is used to help you breathe. (This machine is called a ventilatoror a respirator.)

A steady flow of blood in the small blood vessels that surround your air sacs is vital for gas exchange. Long periods of inactivity or surgery can cause a blood clot called a pulmonary embolism (PE) to block a lung artery. A PE can reduce or block the flow of blood in the small blood vessels and hinder gas exchange.

 

Source: http://www.nhlbi.nih.gov/health/health-topics/topics/hlw/condition.html

Information presented on this website is for general use. It intended to address issues of your concern. It is not intended to serve as a basis for professional diagnosis and treatment of diseases or health conditions.
 
Should you have health problems we suggest you to seek assistance from a licensed healthcare professional and medical organization. In the case of a medical emergency, please call emergency services immediately.