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Pneumonia is most commonly classified by where or how it was acquired: community-acquired, aspiration, healthcare-associated, hospital-acquired, and ventilator-associated pneumonia. [42] It may also be classified by the area of the lung affected: lobar, bronchial pneumonia and acute interstitial pneumonia; [42] or by the causative organism. [82]
While pneumonia involves the lungs specifically, other organ systems can be affected, Dr. Clayton Cowl, a pulmonologist with the Mayo Clinic in Rochester, Minn., recently told Fortune.
It is the most common bacterial pneumonia found in adults, the most common type of community-acquired pneumonia, and one of the common types of pneumococcal infection. The estimated number of Americans with pneumococcal pneumonia is 900,000 annually, with almost 400,000 cases hospitalized and fatalities accounting for 5-7% of these cases. [2]
The object lodges in a small airway, and pneumonia develops in the obstructed area of the lung. Another cause of obstruction is lung cancer, which can block the flow of air. Lung disease - Patients with underlying lung disease are more likely to develop pneumonia. Diseases such as emphysema and habits such as smoking result in more frequent and ...
Both doctors say that the people most at risk for pneumonia include those over the age of 65, those with weakened immune systems, and those with other medical conditions, including lung disease ...
The respiratory illness caused by mycoplasma pneumoniae bacteria is often called walking pneumonia because it tends to be milder than other lung infections. Patients may feel run down, with a ...
Appearance of usual interstitial pneumonia (UIP) in a surgical lung biopsy at low magnification. The tissue is stained with hematoxylin (purple dye) and eosin (pink dye) to make it visible. The pink areas in this picture represent lung fibrosis (collagen stains pink). Note the "patchwork" (quilt-like) pattern of the fibrosis.
Walking pneumonia, a lung infection caused by the bacterium Mycoplasma pneumoniae, tends to be most common among older children and adolescents but in 2024 has been rampant among young children.