Pneumonia is a respiratory infection that inflames the air sacs in one or both lungs, causing symptoms such as cough, fever, shortness of breath, and chest pain. Diagnosing pneumonia typically involves a physical exam, where doctors listen for abnormal lung sounds, followed by imaging tests like chest X-rays to confirm lung involvement. Laboratory tests, including blood tests and sputum cultures, help identify the causative agent, whether bacterial, viral, or fungal.
Professor, Dept of Respiratory Medicine, A.C.S Medical College and Hospital, Chennai.
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