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Septic shock is low blood pressure due to sepsis that does not improve after fluid replacement. [9] Sepsis is caused by many organisms including bacteria, viruses, and fungi. [10] Common locations for the primary infection include the lungs, brain, urinary tract, skin, and abdominal organs. [2]
Bloodstream infections (BSIs) are infections of blood caused by blood-borne pathogens. [1] The detection of microbes in the blood (most commonly accomplished by blood cultures [2]) is always abnormal. A bloodstream infection is different from sepsis, which is characterized by severe inflammatory or immune responses of the host organism to ...
Septic shock refers specifically to distributive shock due to sepsis as a result of infection. [14] Septic shock may be defined as sepsis-induced low blood pressure that persists despite treatment with intravenous fluids. [9] Low blood pressure reduces tissue perfusion pressure, causing the tissue hypoxia that is characteristic of shock.
The sepsis type of infection is much more deadly, and results in a severe blood poisoning called meningococcal sepsis that affects the entire body. In this case, bacterial toxins rupture blood vessels and can rapidly shut down vital organs. Within hours, patient's health can change from seemingly good to mortally ill. [11] [unreliable source?]
Lung parenchyma showing damage due to large subpleural bullae. Parenchyma (/ p ə ˈ r ɛ ŋ k ɪ m ə /) [1] [2] is the bulk of functional substance in an animal organ or structure such as a tumour. In zoology, it is the tissue that fills the interior of flatworms. In botany, it is some layers in the cross-section of the leaf. [3]
Complications may include pus around the kidney, sepsis, or kidney failure. [3] It is typically due to a bacterial infection, most commonly Escherichia coli. [2] Risk factors include sexual intercourse, prior urinary tract infections, diabetes, structural problems of the urinary tract, and spermicide use.
Necrotizing pneumonia (NP), also known as cavitary pneumonia or cavitatory necrosis, is a rare but severe complication of lung parenchymal infection. [1] [2] [3] In necrotizing pneumonia, there is a substantial liquefaction following death of the lung tissue, which may lead to gangrene formation in the lung.
Streptococcal infections include sepsis, pneumonia, and meningitis. [8] These infections can become serious creating a systemic inflammatory response resulting in massive vasodilation, shock, and death. [9] Other bacteria are opportunistic pathogens and cause disease mainly in people with immunosuppression or cystic fibrosis.