Endocarditis, an inflammation and infection of the lining of the heart and/or of the heart valves, can result from a bloodstream infection. Other serious complications can result from an infection of the blood. Septicemia (sepsis) often requires prompt and aggressive treatment, usually in an intensive care unit of a hospital. Septicemia refers to an infection of the blood while sepsis is the body’s serious, overwhelming, and sometimes life-threatening response to infection. The terms septicemia and sepsis are sometimes used interchangeably to describe this condition. For example, a urinary tract infection (UTI) may spread from the bladder and/or kidneys into the blood and then be carried throughout the body, infecting other organs and causing a serious and sometimes life-threatening systemic infection.
Routine blood culture media cannot grow viruses and therefore cannot detect if the person tested has virus in their blood (viremia).Ī blood infection typically originates from some other specific site within your body, spreading from that site when a person has a severe infection and/or the immune system cannot confine it to its source.
Although blood can be used to test for viruses, blood cultures are usually used to detect the presence of bacteria or fungi in the blood, to identify the type present, and to guide treatment.
Infections of the bloodstream are most commonly caused by bacteria (bacteremia) but can also be caused by yeasts or other fungi (fungemia) or by a virus (viremia). Blood cultures is a procedure done to detect an infection in your blood and to identify the cause of infection.
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