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Purulent sputum [5] contains pus, composed of white blood cells, cellular debris, dead tissue, serous fluid, and viscous liquid . Purulent sputum is typically yellow or green. It is seen in cases of pneumonia, bronchiectasis, lung abscess, or an advanced stage of bronchitis. [6]
People who are on mechanical ventilation are often sedated and are rarely able to communicate due to which many of the typical symptoms of pneumonia will either be absent or unable to be obtained. The most important signs are fever or low body temperature, new purulent sputum, and hypoxemia (decreasing amounts of oxygen in the blood). However ...
The diagnostic criteria for acute exacerbation of COPD generally include a production of sputum that is purulent [7] and may be thicker [5] than usual, but without evidence of pneumonia (which involves mainly the alveoli rather than the bronchi). [5]
Since pneumonia can take a dangerous turn, it's important to know the earliest signs of it. Dr. Zweig says that, typically, pneumonia starts as a regular viral upper respiratory infection.
Purulent sputum; Leukocytosis > 10,000 cells/μl; In an elderly person, the first sign of hospital-acquired pneumonia may be mental changes or confusion. Other symptoms may include: A cough with greenish or pus-like phlegm (sputum) Fever and chills; General discomfort, uneasiness, or ill feeling (malaise) Loss of appetite; Nausea and vomiting
This does not always progress to pneumonia. [3] [4] Fungal tracheobronchitis can be invasive into the lung tissue or pulmonary artery and cause a severe lung infection. The extra secreted mucus from tracheobronchitis plugs the airways allowing the fungal pathogens to lodge and multiply.