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Adult respiratory distress syndrome (ARDS) is a severe lung condition. It occurs when fluid fills up the air sacs in your lungs. Too much fluid in your lungs lowers the amount of oxygen in your bloodstream. ARDS can prevent your organs from getting the oxygen they need to function, and it can eventually cause organ failure.
ARDS most commonly affects hospitalized people who are very ill. It can also be caused by serious trauma. Symptoms usually occur within a day or two of the original illness or trauma, and they may include extreme shortness of breath and gasping for air.
ARDS is a medical emergency and a potentially life-threatening condition.
The symptoms of ARDS typically appear between one to three days after the injury or trauma.
Common symptoms and signs of ARDS include:
ARDS is primarily caused by damage to the tiny blood vessels in your lungs. Fluid from these vessels leaks into the air sacs in your lungs. These air sacs are where your blood is oxygenated. When these air sacs fill with fluid, less oxygen gets to your blood.
Some common things that may lead to this type of lung damage include:
ARDS is usually a complication of another condition. People who are more likely to develop ARDS include:
ARDS can be a more serious condition for people who:
If you suspect that someone you know has ARDS, you should call 911 or take them to the emergency room. Early diagnosis may help them survive the condition. ARDS is a medical emergency.
A doctor can diagnose ARDS in several different ways. There’s no one definitive test for diagnosing this condition. Your doctor may get your blood pressure, perform a physical exam, and do any of the following:
Low blood pressure and low blood oxygen can make your doctor suspect ARDS. An electrocardiogram and echocardiogram may be used to rule out a heart condition. If a chest X-ray or CT scan then reveals fluid-filled air sacs in the lungs, a diagnosis for ARDS is confirmed. A lung biopsy can also be conducted to confirm an ARDS diagnosis.
The primary goal of ARDS treatment is to give you enough oxygen to prevent organ failure. Your doctor may give you oxygen by mask. A mechanical ventilation machine can also be used to force air into your lungs and reduce the fluid in the air sacs.
Your doctor may help your breathing with a technique known as positive end-expiratory pressure (PEEP). PEEP helps control the pressure in the lungs. High PEEP may help increase lung functioning and decrease lung injury from using a ventilator.
Management of fluid intake is another ARDS treatment strategy. This can help ensure that you have an adequate fluid balance. Too much fluid in the body can lead to fluid buildup in the lungs. However, too little fluid can cause the organs and heart to become strained.
People with ARDS are often given medication to deal with side effects. These include the following types of medications:
People recovering from ARDS may need pulmonary rehabilitation. This is a way to strengthen the respiratory system and increase lung capacity. Such programs can include exercise training, lifestyle classes, and support teams to help you recover from ARDS.
The American Lung Association estimates that 30 to 50 percent of people with ARDS die. However, the risk of death is not the same for all people who develop ARDS. The death rate is linked to both the cause of ARDS and the person’s overall health. For example, a young person with trauma-induced ARDS will have a better prognosis than an older person with a widespread blood infection.
Many survivors of ARDS fully recover within a few months. However, some people may have lifelong lung damage. Other side effects may include:
There’s no way to prevent ARDS completely. However, you may be able to lower your risk of ARDS by doing the following:
Written by: Suzanne Allen and Elizabeth Boskey, PhD
Published on: Jul 16, 2012on: Jan 04, 2016
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