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Doctor insights on: What Is The Result Of Blood Culture In Sepsis

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If a patient has suspected sepsis and urgent blood cultures are attempted then, approximately, how quickly could it be established that the results are negative.

If a patient has suspected sepsis and urgent blood cultures are attempted then, approximately, how quickly could it be established that the results are negative.

Sepsis: Blood culture often turns positive within 24 hours, however, sometimes it may take longer and other times the blood culture may be negative even though the patient has all the clinical features of sepsis ...Read more

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Dr. William Walsh
366 doctors shared insights

Infection In The Blood (Definition)

Infection in the blood is also known as Sepsis. Sepsis is a condition in which a person has a blood infection, usually caused by bacteria. The bacteria get into the bloodstream and are spread all over the body. The infection plus the immune system's response to it causes the symptoms of sepsis, which include fever, rapid heart rate, rapid breathing, high white ...Read more


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Hi doctor, my brother blood first report and final report got Negative result. my question is blood culture result should come positive or negative ?

No should on testing: There is no should. The results are either yes or no. When a patient us severely ill, or has sepsis, treatment often starts before culture results are known. It appears there is much more to your story and this app cannot answer anything specific about the situation you are facing. Your concerns should be addressed by the professional responsible for this care there at the hospital. ...Read more

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How long does it normally take to get blood culture results back?

How long does it normally take to get blood culture results back?

1-5 days: It can be as soon as one day but labs will usually incubate and monitor the cultures for up to 5 days to make sure nothing is growing. ...Read more

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Blood culture and how long till results?

Blood culture and how long till results?

2-3 days: Usually bacterial blood cultures take 2 days to grow and the results should be out by 3 days. If they are looking for fungus or viruses on the culture then it could take longer depending on th institution and if the test is being sent to another facility. ...Read more

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How long does it take to get blood culture results?

How long does it take to get blood culture results?

Depends: Routine blood cultures are usually read at 24 and 48 hours and then again at 7 days and 14 days depending upon the organisms that are growing. Newer "blood culture" results using a variety of methods including dna testing or radioactive metabolite detection can often be read much sooner- in hours. ...Read more

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How fast can infection show up in a blood culture? (I was called back in about 12 hrs to come back in due to positive result)

How fast can infection show up in a blood culture? (I was called back in about 12 hrs to come back in due to positive result)

Under 12h, obviously: Obviously it can show up in under 12 hours; they wouldn't have called you back if the test were not definitely positive. The fast result could suggest a particularly dangerous infection: virulent bacteria often are detected rapidly, and it also may mean large numbers of bacteria in the blood. This could be very serious; get back to the doctor IMMEDIATELY. Good luck! ...Read more

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How many days does it take to get blood culture results of a breast abscess?

How many days does it take to get blood culture results of a breast abscess?

Varirs: Ideally the result of a culture would come back in a couple days. In reality the full culture and antibiotic sensitivity may take 5-7 days to come back. Blood cultures results may take longer than direct abscess fluid culture from the breast itself too. ...Read more

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CT result-Thorax extensive mediastinal lympopathy with central caseating ,TB lymphopathy to consider skin,blood culture negative it is TB disease?

CT result-Thorax extensive mediastinal lympopathy with central caseating ,TB lymphopathy to consider skin,blood culture negative it is TB disease?

Caseating granulomas: This sounds like tuberculosis, but may conceivably be systemic fungal infection like Histoplasmosis, rarely lymphoma or sarcoidosis. In India this is probably TB and either should be treated empirically or wait for the results of the biopsied lymph nodes. Sounds as if your doctor is very astute and would heed their advice. Best wishes. ...Read more

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Can you think of any reason why blood cultures would come back with negative results within 2 hours even though antibiotics not commenced until hours after the results have come back.

Can you think of any reason why blood cultures would come back with negative results within 2 hours even though antibiotics not commenced until hours after the results have come back.

Unclear question: If the blood culture results were reported within 2 hours, then it could not have bee culture, as that takes at least 24 hours, longer depending on the type of organism and microbial load. It was probably some other test like CRP, not blood culture, that was reported within two hours of blood collection. It may help to talk to the pathologist in-charge of the laboratory. ...Read more

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Dr. Sanjiv Kaul
70 doctors shared insights

Blood Culture (Definition)

Blood cultures refers to taking a sample of blood and growing in the microbiology laboratory for invasive organisms. Typically blood cultures are used for bacteria but can also be used to try and identify fungal organisms in ...Read more


Dr. William Walsh
1,827 doctors shared insights

Sepsis (Definition)

Sepsis occurs as a result of body's abnormal response to severe infection. Manifestation of sepsis include fever, rapid heart rate and rapid breathing. Blood work will reveal elevation of ...Read more