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  2. Bloodstream infection - Wikipedia

    en.wikipedia.org/wiki/Bloodstream_infection

    Bacteremia is the presence of bacteria in the bloodstream that are alive and capable of reproducing. It is a type of bloodstream infection. [36] Bacteremia is defined as either a primary or secondary process. In primary bacteremia, bacteria have been directly introduced into the bloodstream. [37] Injection drug use may lead to primary bacteremia.

  3. Sepsis - Wikipedia

    en.wikipedia.org/wiki/Sepsis

    Infections leading to sepsis are usually bacterial but may be fungal, parasitic, or viral. [25] Gram-positive bacteria were the primary cause of sepsis before the introduction of antibiotics in the 1950s. After the introduction of antibiotics, gram-negative bacteria became the predominant cause of sepsis from the 1960s to the 1980s. [26]

  4. Pyaemia - Wikipedia

    en.wikipedia.org/wiki/Pyaemia

    Pyaemia (or pyemia) is a type of sepsis that leads to widespread abscesses of a metastatic nature. [1] It is usually caused by the staphylococcus bacteria by pus-forming organisms in the blood. Apart from the distinctive abscesses, pyaemia exhibits the same symptoms as other forms of septicaemia.

  5. Septic shock - Wikipedia

    en.wikipedia.org/wiki/Septic_shock

    Septic shock is a result of a systemic response to infection or multiple infectious causes. The precipitating infections that may lead to septic shock if severe enough include but are not limited to appendicitis, pneumonia, bacteremia, diverticulitis, pyelonephritis, meningitis, pancreatitis, necrotizing fasciitis, MRSA and mesenteric ischemia.

  6. Group B streptococcal infection - Wikipedia

    en.wikipedia.org/.../Group_B_streptococcal_infection

    Group B streptococcal infection, also known as Group B streptococcal disease or just Group B strep infection, is the infectious disease caused by the bacterium Streptococcus agalactiae. Streptococcus agalactiae is the most common human pathogen belonging to group B of the Lancefield classification of streptococci —hence the name of group B ...

  7. Anaerobic infection - Wikipedia

    en.wikipedia.org/wiki/Anaerobic_infection

    Progression of the infection from pneumonitis into necrotizing pneumonia and pulmonary abscess can occur, with or without the development of empyema. [22] [23] The infection is often polymicrobial in nature and isolates of community-acquired infection (in 60–80% of cases) are aerobic and anaerobic belonging to the individual's oropharyngeal ...

  8. Streptococcus bovis - Wikipedia

    en.wikipedia.org/wiki/Streptococcus_bovis

    Streptococcus bovis is a group of strains of Gram-positive bacteria, originally described as a species, [5] [6] that in humans is associated with urinary tract infections, endocarditis, sepsis, [7] and colorectal cancer. [8] S. bovis is commonly found in the alimentary tract of cattle, sheep, and other ruminants, [9] and may cause ruminal acidosis.

  9. Group A streptococcal infection - Wikipedia

    en.wikipedia.org/.../Group_A_streptococcal_infection

    Group A streptococcal infections are a number of infections with Streptococcus pyogenes, a group A streptococcus (GAS). [1] S. pyogenes is a species of beta-hemolytic Gram-positive bacteria that is responsible for a wide range of infections that are mostly common and fairly mild. If the bacteria enters the bloodstream, the infection can become ...