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MRSA Infection Learning Center
Complications could include:
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Blood infection (also called blood poisoning or sepsis) Cellulitis; Infection of the heart valves (endocarditis) Pneumonia;
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Pneumonia is a respiratory condition in which there is inflammation of the lung. Community-acquired pneumonia refers to pneumonia in people who have not recently been in the hospital or another health care facility (nursing home, rehabilitation fa...
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The most common mechanism by which the lung is inoculated with pathogenic organisms is through microaspiration of oropharyngeal contents, a process that occurs in otherwise healthy individuals during sleep ( Chapter 82 ). Colonization of the oral pharynx with pathogenic organisms, such as Streptococcus pneumoniae ( Chapter 303 ), can thereby lead to delivery of sufficient quantities of organisms to infect the lung.
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Pneumonia is an infection of the lung, and can be caused by nearly any class of organism known to cause human infections. These include bacteria, viruses, fungi, and parasites. In the United States, pneumonia is the sixth most common disease leadi...
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Introduction Pneumonia has been recognized as a disease entity since remote times, with definitions of the condition traceable in ancient Greek, Roman, and Arabic writings. Definitive recognition of the etiologic role of microorganisms in pneumonia, and the identification of Streptococcus pneumoniae as the most common causative agent was only achieved roughly 120 years ago.
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The actual incidence of pneumonia in ambulatory patients is difficult to estimate because the etiologic agent is rarely identified except in clinical trials, and CAP is not currently considered a reportable disease. Each year in the United States there are 2 to 3 million cases of CAP.
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The following Clinical Topic Tour provides an overview of pneumococcal pneumonia and was adapted by materials published by the National Institute of Allergy and Infectious Diseases and the CDC.
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Chlamydial pneumonia refers to one of several types of pneumonia that can be caused by various types of the bacteria known as Chlamydia .
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Eosinophilic pneumonia is a group of diseases in which there is an above normal number of eosinophils in the lungs and blood.
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Pneumococcal pneumonia is a common but serious infection and inflammation of the lungs. It is caused by the bacterium Streptococcus pneumoniae .
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Pneumocystis pneumonia is a lung infection that occurs primarily in people with weakened immune systems—especially people who are HIV-positive. The disease agent is an organism whose biological classification is still uncertain. Pneumocystis carin...
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Pneumonia is a serious infection of the lung that impairs breathing. Small air sacs in the lung (alveoli) become filled with pus, mucus or other fluid, and cannot supply oxygen to circulating blood . Lobar pneumonia affects one section, or lobe, o...
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Pneumonia is an infection of the lungs that can be caused by nearly any class of organism known to cause human infections, including bacteria, viruses, fungi, and parasites. It results in an inflammatory response within the small air spaces of the...
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One of the most common pulmonary complications affecting cancer patients, pneumonia is a potentially life-threatening inflammation of one or both lungs.
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Pneumonia is an infection of the lung that can be caused by nearly any class of organism known to cause human infections . These include bacteria, amoebae, viruses, fungi, and parasites. In the United States, pneumonia is the sixth most common dis...
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Cellulitis is a common skin infection caused by bacteria. See also: Orbital cellulitis; Periorbital cellulitis.
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Cellulitis is a spreading bacterial infection just below the skin surface. It is most commonly caused by Streptococcus pyogenes or Staphylococcus aureus .
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Endocarditis is inflammation of the inside lining of the heart chambers and heart valves (endocardium. See also: Culture-negative endocarditis; Infective endocarditis.
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The endocardium is the inner lining of the heart muscle, which also covers the heart valves. When the endocardium becomes damaged, bacteria from the blood stream can become lodged on the heart valves or heart lining. The resulting infection is kno...
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Endocarditis is an infection of the endocardium, the inner lining of the heart muscle and its four valves (tricuspid, pulmonary, mitral, and aortic). Abnormal or damaged endocardium is more likely to become infected when bacteria enter the bloodst...
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Toxic shock syndrome is a severe disease that involves fever, shock, and problems with the function of several body organs.
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Toxic shock syndrome (TSS) is an uncommon, but potentially serious, illness that occurs when poisonous substances (toxins) produced by certain bacteria enter the bloodstream. The toxins cause a type of blood poisoning caused by staphylococcal, or ...
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Toxic shock syndrome (TSS) is an uncommon, but potentially serious, illness that occurs when poisonous substances (toxins) produced by bacteria enter the bloodstream. The toxins cause a type of blood poisoning that results in high fever , symptoms...
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Toxic shock syndrome (TSS) is an uncommon but potentially serious illness that occurs when poisonous substances (toxins) produced by certain bacteria enter the bloodstream. The toxins cause a type of blood poisoning caused by staphylococcal, or le...
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Toxic shock syndrome (TSS) is a rare but sometimes fatal disease that occurs mainly in menstruating women who use tampons. Toxic shock syndrome (TSS) is caused by a toxinproducing strain of bacteria called Staphylococcus aureus that can accumulate...
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Septicemia is the presence of bacteria in the blood (bacteremia) and is often associated with severe infections.
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Blood poisoning, also known as septicemia or sepsis, occurs when the bloodstream becomes infected by bacteria (i.e., staphylococci, streptococci) or fungi introduced through a wound, abscess , or other injury. Septicemia may also originate from a ...
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Hepatorenal syndrome is a condition in which the kidneys fail suddenly in a person with cirrhosis of the liver. It is a serious complication of cirrhosis.
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