Although most people develop ARDS when they're already in hospital, this isn't always the case. It can develop quickly as a result of an infection such as pneumonia, or if someone accidentally inhales their vomit.
Dial 999 immediately to ask for an ambulance if a child or adult is having breathing problems.
What causes ARDS?
ARDS occurs when the lungs become severely inflamed due to an infection or injury. The inflammation causes fluid from nearby blood vessels to leak into the tiny air sacs in your lungs, making breathing increasingly difficult.
an ultrasound scan that's used to look at the heart and nearby blood vessels
If you develop ARDS, you'll probably be admitted to an intensive care unit (ICU) and put on a breathing machine (ventilator) to help your breathing.
This involves breathing through a mask attached to the machine. In severe cases, a breathing tube may be inserted down your throat and into your lungs.
Fluids and nutrients will be supplied through a feeding tube (nasogastric tube) that's passed through your nose and into your stomach.
The underlying cause of ARDS should also be treated. For example, if it's caused by a bacterial infection, you may need antibiotics.
How long you'll need to stay in hospital depends on your individual circumstances and the cause of ARDS. Most people respond well to treatment, but it may be several weeks or months before you're well enough to leave hospital.
Complications of ARDS
As ARDS is often caused by a serious health condition, about one in three people who develop it will die. However, most deaths are caused by the underlying illness, rather than ARDS itself.
For people who survive, the main complications are associated with nerve and muscle damage, which causes pain and weakness. Some people also develop psychological problems, such as depression.
The lungs usually recover and long-term lung failure after ARDS is rare.
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