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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.
What Causes Pneumonia? Pneumonia can be caused by a wide variety of bacteria, viruses and fungi in the air we breathe. Identifying the cause of your pneumonia can be an important step in getting the proper treatment.
Pneumonia is a common cause of mortality and morbidity. It can have a myriad of clinical presentations and can pose a diagnostic dilemma especially in the setting of severely ill patients with several comorbidities and underlying lung pathologies.
We categorize pneumonia by which pathogen (virus, bacteria or fungi) caused it and how you got it — community-acquired, hospital-acquired or ventilator-associated pneumonia. Community-acquired pneumonia (CAP)
Bacterial pathogens in HAP and HCAP globally include K pneumoniae, E coli, P aeruginosa, S aureus, including methicillin-resistant S aureus (MRSA), Enterobacter species, and Acinetobacter baumannii complex.
The flu (influenza virus) and the common cold (rhinovirus) are the most common causes of viral pneumonia in adults. Respiratory syncytial virus (RSV) is the most common cause of viral pneumonia in young children. Many other viruses can cause pneumonia, including SARS-CoV-2, the virus that causes COVID-19. Our video about how SARS-CoV-2 affects ...
Access free multiple choice questions on this topic. Go to: Introduction. The severe form of acute lower respiratory tract infection that affects the pulmonary parenchyma in one or both lungs is known as pneumonia. It is a common disease and a potentially serious infectious disease with considerable morbidity and mortality.