Acute Respiratory Distress Syndrome (ARDS) is a severe, life-threatening medical condition where fluid leaks into the lungs, making breathing difficult and reducing oxygen to vital organs. It’s not a disease itself, but a response to various lung injuries.
ARDS can be caused by sepsis (the most common cause), pneumonia, severe trauma, aspiration of stomach contents, smoke inhalation, near-drowning, blood transfusions, and certain medications. COVID-19 has also been a significant cause in recent years.
Symptoms include severe shortness of breath, rapid breathing, low blood oxygen levels, confusion, extreme fatigue, and bluish discoloration of lips or fingernails. Symptoms typically develop within 24-48 hours of the initial injury or illness.
ARDS is diagnosed through chest X-rays or CT scans showing fluid in the lungs, blood tests measuring oxygen levels, ruling out heart failure, and identifying an underlying cause. The Berlin Definition criteria are used to classify ARDS severity.
Survival rates have improved significantly over the years. Currently, about 60-70% of patients survive ARDS. Outcomes depend on factors including age, overall health, the underlying cause, and how quickly treatment begins.
Treatment focuses on supportive care including mechanical ventilation with lung-protective strategies, prone positioning (lying face down), oxygen therapy, careful fluid management, and treating the underlying cause. Some patients may require ECMO in severe cases.
ECMO (Extracorporeal Membrane Oxygenation) is a life-support machine that takes over the function of the heart and lungs. It’s used in severe ARDS cases when mechanical ventilation alone cannot provide adequate oxygen. Blood is pumped outside the body, oxygenated, and returned.
Recovery varies greatly. While some patients recover within weeks, many experience symptoms for months or even years. Physical recovery may take 6-12 months, while cognitive and emotional recovery can take longer. Some patients experience long-term effects.
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No. The information on ARDS.org is for educational purposes only and should not replace professional medical advice. Always consult with qualified healthcare providers for diagnosis, treatment, and medical decisions specific to your situation.