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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. Mark Ingerman
97 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


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I am in hospital w/a "gram+ bacillus" sepsis..6/8 blood culture bottles are +. Caused by a dirty cut then severe cellulitis. I have heart vegetation from it they say. Also on CellCept. Can you educate me on whats the significance of heart vegetation?

I am in hospital w/a "gram+ bacillus" sepsis..6/8 blood culture bottles are +. Caused by a dirty cut then severe cellulitis. I have heart vegetation from it they say. Also on CellCept. Can you educate me on whats the significance of heart vegetation?

Endocarditis. : What you describe is endocarditis. The vegetations harbor the bacteria that are identified when blood cultures are obtained. Sepsis, heart failure as well as "septic emboli" are potential complications 6 weeks of IV antibiotics followed by repeat blood cultures and follow up echocardiogram to insure treatment was adequate. ...Read more

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Could a urine m/c/s identify a particular infection that two blood cultures may fail to identify in a case of suspected sepsis. Is this very unlikely?

Could a urine m/c/s identify a particular infection that two blood cultures may fail to identify in a case of suspected sepsis. Is this very unlikely?

If the source of the: sepsis is the urinary tract (kidneys and bladder primarily), then urine c/s might identify the cause of sepsis and the best antibiotic to treat it. Kidney infection is a common cause of sepsis in certain groups of people. If the source of the infection is elsewhere, then urine c/s won't identify the cause unless the sepsis has spread from the bloodstream to the kidneys. Dr. Anne ...Read more

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If blood cultures are taken because there is a suspicion of sepsis, does it particularly matter if urine cultures are not also taken? Why?

If blood cultures are taken because there is a suspicion of sepsis, does it particularly matter if urine cultures are not also taken? Why?

Blood cultures: Sepsis is a condition where a local infection has spread to the bloodstream; the process does not normally show any telltale signs in the urine UNLESS the source of the infection is suspected to be the bladder or the kidney. However, statistically, at your age, infection in the genitourinaty tract is often the most likely source, so, if that is suspected, a urine sample is indicated to confirm. ...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 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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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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Hi doctor, my brother blood first report and final report got Negative result. my question is blood culture result should come positive or negative ?

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 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

Dr. William Walsh
439 doctors shared insights

Septic Shock (Definition)

Septic shock. Sepsis occurs when an infections enters & is spread through the bloodstream, potentially causing a marked drop in blood pressure with potential for stroke, heart or ...Read more


Dr. William Walsh
1,879 doctors shared insights

Sepsis (Definition)

The body's abnormal response to severe infection. Sepsis symptoms include fever, rapid heart rate and rapid breathing, and bloodwork will reveal elevation of ...Read more