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Doctor insights on: Listeria Blood Culture

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Dr. Ihab Ibrahim
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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Wools listeria be found in routine blood work?

Wools listeria be found in routine blood work?

Odd wording: Blood work is not where you look for or find listeria, except in a patient with blood poisoning.Blood work may show non specific changes. ...Read more

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How effective is blood test for listeria?

Not very unless: you have active infection with Listeria. Blood cultures for Listeria are most effective if you have active symptoms. Antibody titers for Listeria will not be very good as time of exposure and whether infection is present or not is hard to determine. ...Read more

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Will listeria show blood in stool?

Will listeria show blood in stool?

Doubt it: Listeria causes serious infections. Only your doctor can diagnose it and guide you further. If you are well, you do not have listeria. ...Read more

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Is pooping blood clots a sign of the listeria bacteria?

Is pooping blood clots a sign of the listeria bacteria?

Hematochezia: Hematochezia, or the loss of bright red blood in the stool, is most often due to hemorrhoidal bleeding but can also be the result of several other dangerous conditions such as cancer or inflammatory bowel disease. It must be investigated by a gastroenterologist immediately! ...Read more

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How long after getting listeria will it show up in blood tests? What if I had it a month or more ago? I am pregnant.

How long after getting listeria will it show up in blood tests? What if I had it a month or more ago? I am pregnant.

Blood cultures: Listeria testing is best done when one is acutely ill typically through blood cultures. Pregnant women with high fever, diarrhea, myalgias and headache in whom no other more common cause can be identified may be tested. For a potential infection more than a month ago typically no testing is done and fetal surveillance through basic prenatal care and ultrasound are done. ...Read more

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I ate food that was recalled due to listeria. How soon would the bacteria show up on a blood test? Possibly pregnant.

I ate food that was recalled due to listeria. How soon would the bacteria show up on a blood test? Possibly pregnant.

Listeria outbreak: It is quite unlikely for Listeria to show up in the blood. Most commonly a "GI illness" is what occurs - such as nausea/vomiting or diarrhea. For those who's immune system is weak - including older age, cancer, HIV/AIDs, or even pregnancy - then it's important to check professionally with a doctor for any fevers or other signs of serious illness. Listeria, when it attacks, is a serious illness. ...Read more

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I am 11 weeks pregnant and think i may have contracted listeria. I am asymptomatic-would a blood test still show the presence of listeria at this point?

Listeria: I am not sure why you think you have listeria. It can be a serious infection during pregnancy. Typically you will run very high fevers with it if it does affect the pregnancy. Blood cultures and perhaps antibody testing could be helpful. See your doctor. ...Read more

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High white blood cell count and green poop symptom of listeria?

Listeria : Healthy people rarely get ill from listeria unless it's a large exposure. Visit CDC website for more information and stay in touch with your doctor. ...Read more

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High white blood cell count green poop low grade fever and chills with headache flu negative strep negative listeria ??

High white blood cell count green poop low grade fever and chills with headache flu negative strep negative listeria ??

If you have green: poop and fever, then look inside the belly for cause. You may need a CT, or stool culture, or GI workup. If you have headache with fever, perhaps you need to look for meningitis. In other words, have your doctor keep looking for a cause, those tests you listed are only the beginning. Focus on your symptoms and start there. Good luck. ...Read more

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Would a blood culture be positive if I had meningitis?

Would a blood culture be positive if I had meningitis?

Not always: It depends on how bad the meningitis is, but it helps narrow down the antibiotis if the blood cultures were positive. ...Read more

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How much bacteria do you need in a blood culture for it to be positive?

How much bacteria do you need in a blood culture for it to be positive?

What kind more imp: Bacterial normally present on the skin sometimes contaminate blood drawn for culture and constitute a false positive. It is the type of organism cultured that is more important than how many. ...Read more

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Would a standard "blood culture" show if someone had tb? or appear abnormal?

Would a standard "blood culture" show if someone had tb? or appear abnormal?

No: TB will not grow unless placed on special culture medium and can seldom be isolated from blood. Bloodborne spread or miliary TB is usually associated with fever, abnormal chest xray and abnormal liver functions. Thanks for trusting HealthTap! ...Read more

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Can you have osteomylitis in your spine and still have a negative blood culture?

Can you have osteomylitis in your spine and still have a negative blood culture?

Yes: Vertebral osteomyelitis is usually acquired after surgery on the spine or by hematogenous or blood stream spread. The bacteria are only in the bloodstream intermittently so blood cultures can be positive or sterile. Patients with more continuous bacteremia often have underlying heart valve infections, endocarditis. ...Read more

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Will a standard blood culture detect yeast or is there a specific kind just for detecting yeast?

Will a standard blood culture detect yeast or is there a specific kind just for detecting yeast?

Yeast: the answer is "it depends." Some common yeast forms can grow in standard blood culture media, butothers may require more specialized growth media. The site or suspected origin might give a clue as to whether this is likely to happen. Also, yeast sometimes require longer to grow than other bacteria, so holding the culture longer may also be indicated if a blood-born yeast is suspected. ...Read more

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What does it mean if somebody says their blood culture tested positive for cocci in the blood stream?

What does it mean if somebody says their blood culture tested positive for cocci in the blood stream?

Sepsis: it means they may. Have a infection most likely staphloccus which is a bacteria found on skin . Common in patients who are admitted in a hospital or who have had surgical procedures , it may even be a contaminant which means false positive ...Read more

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Rod positive blood culture after pneumonia. ED said maybe false positive did more blood cultures . Sent me home. Temp is 99. Scared. What to do?

Probably all is OK: Bacilli ("rods") in blood culture usually are contaminants, i.e. normal skin bacteria, especially "Gram positive" rods. Such bacteria rarely cause pneumonia. Therefore, the ED probably did the right thing by reassuring you, repeating the blood culture, and sending you home -- assuming, of course, you were not seriously ill based on symptoms, fever, etc. Double check w/ your dotor. ...Read more

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What's a blood culture used for?

Bacteria in blood: To find out if there is bacteria in your blood. ...Read more

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Why would you need a blood culture?

Why would you  need a blood culture?

Blood infection: If your doctors suspected you had an infection in your blood, blood cultures would be ordered. ...Read more

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What is the definition or description of: blood culture?

Blood cultures: 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 the blood like yeast. ...Read more

Dr. Scot Lewey
141 doctors shared insights

Listeria Infection (Definition)

A serious infection usually caused by eating food contaminated with ...Read more