الهيموفيليا ( سيولة الدم ) أو النزف الوراثي
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Blood cultures are used to detect the presence of bacteria or yeasts in the blood, to identify the microorganism(s) present, and to guide treatment.A doctor may order blood cultures when a person is having symptoms of sepsis, which indicates that bacteria, yeast, or their toxic by-products are causing harm in the body. A person with sepsis may have:
* Chills, fever
* Nausea
* Rapid breathing, rapid heartbeat
* Confusion
* Decreased urine output
Two or more blood cultures are typically ordered and collected as consecutive samples. Often, a complete blood count (CBC) is ordered along with or prior to the blood culture to determine whether the person has an increased number of white blood cells, indicating a potential infection. Sometimes other testing is also performed, such as a chemistry panel to evaluate the health status of a person's organs, or a urine, sputum, or cerebrospinal fluid (CSF) culture to help identify the source of the original infection. This is especially true when a person has symptoms associated with a urinary tract infection, pneumonia, or meningitis.