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What is Acute Respiratory Distress Syndrome (ARDS)?

By HERWriter
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What is ARDS?

Acute Respiratory Distress Syndrome (ARDS) refers to intense, severe injury to both lungs. It is not an actual disease, but rather a side effect of other diseases and conditions (eg: pneumonia, shock, sepsis, and trauma). ARDS may begin in one lung, but will quickly spread to the other.

ARDS usually develops 24 to 48 hours after an injury or illness affects the lungs. The severity of the symptoms vary from patient to patient. The alveoli (the parts of the lungs responsible for the oxygen/carbon dioxide switch) become inflamed or are damaged and collapse or lose their ability to take in oxygen. Within a day or two, a patient will experience respiratory failure.

Over the next few days, the lung will fill with inflammatory cells, and scarred tissue will start developing after about 10 days and get progressively worse - further compromising the lungs' ability to oxygenate the blood and remove carbon dioxide.

Death is usually due to the underlying disease or condition or from complications from ventilation. Patient who survive will see full lung function return within 6 to 12 months.

"According to the American Lung Association, the incidence of ARDS ranges from 1.5 to 71 per 100,000 persons in the United States" (www.pulmonologychannel.com).

Causes of ARDS

ARDS develops as the result of damage to lung tissues through a variety of conditions, so there is no one set of circumstances that will lead to ARDS. Experiencing any one of these circumstances doesn't necessarily mean that a patient will develop Acute Respiratory Distress Syndrome.

Some of those situations where ARDS may develop include:

- aspiration of vomit into the lungs
- inhalation of chemicals
- bacterial, fungal and viral pneumonia
- septic shock (sepsis)
- trauma, particularly multiple fractures, head injury, or injury to the chest
- blood transfusion (multiple units)
- near drowning
- drug overdose
- acute pancreatitis

ARDS can happen in conjunction with failure of other organ systems. Those who smoke or drink alcohol may be at increased risk or experience longer recovery times.

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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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