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Humans may also carry the GAS either on the skin or in the throat and show no symptoms. [8] These carriers are less contagious than symptomatic carriers of the bacteria. [8] The non-invasive infections caused by GAS tend to be less severe and more common. They occur when the bacteria colonizes the throat area, where it recognizes epithelial ...
Atypical bacteria causing pneumonia are Coxiella burnetii, Chlamydophila pneumoniae (), Mycoplasma pneumoniae (), and Legionella pneumophila.. The term "atypical" does not relate to how commonly these organisms cause pneumonia, how well it responds to common antibiotics or how typical the symptoms are; it refers instead to the fact that these organisms have atypical or absent cell wall ...
In rare circumstances, bacteria in the lung will form a pocket of infected fluid called a lung abscess. [140] Lung abscesses can usually be seen with a chest X-ray but frequently require a chest CT scan to confirm the diagnosis. [140] Abscesses typically occur in aspiration pneumonia, and often contain several types of bacteria.
On ascent from a dive, inert gas comes out of solution in a process called "outgassing" or "offgassing". Under normal conditions, most offgassing occurs by gas exchange in the lungs . [ 9 ] [ 10 ] If inert gas comes out of solution too quickly to allow outgassing in the lungs then bubbles may form in the blood or within the solid tissues of the ...
Gas gangrene is a bacterial infection that produces gas within tissues. It can be caused by Clostridium , most commonly alpha toxin -producing C. perfringens , or various nonclostridial species. [ 9 ] [ 19 ] Infection spreads rapidly as the gases produced by the bacteria expand and infiltrate healthy tissue in the vicinity.
[54] [55] If inert gas comes out of solution too quickly to allow outgassing in the lungs then bubbles may form in the blood or within the solid tissues of the body. The formation of bubbles in the skin or joints results in milder symptoms, while large numbers of bubbles in the venous blood can cause lung damage. [ 56 ]
Ventilator-associated pneumonia (VAP) is a type of lung infection that occurs in people who are on mechanical ventilation breathing machines in hospitals. As such, VAP typically affects critically ill persons that are in an intensive care unit (ICU) and have been on a mechanical ventilator for at least 48 hours.
Influenza-like illness (ILI), also known as flu-like syndrome or flu-like symptoms, is a medical diagnosis of possible influenza or other illness causing a set of common symptoms. These include fever, shivering , chills , malaise , dry cough , loss of appetite , body aches, nausea , and sneezing typically in connection with a sudden onset of ...