The cardiac nurse search for evidence to answer the question when she wants to know about the best practices to prevent pneumonia after open-heart surgery.
Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills, and difficulty breathing. A variety of organisms, including bacteria, viruses and fungi, can cause pneumonia.
Pneumonia can range in seriousness from mild to life-threatening. It is most serious for infants and young children, people older than age 65, and people with health problems or weakened immune systems.
Signs and symptoms of pneumonia may include:
Learn more about the symptoms of pneumonia
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