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Doctor insights on: Giardia Lamblia Morphology

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Is giardia lamblia flagellated protozoan parasite contagious?

Is giardia lamblia flagellated protozoan parasite contagious?

Giardia: This organism lives in many water sources, and can also be transmitted by the fecal-oral route often on the hands of food preparers or servers. It is a commonly underdiagnosed cause of gastrointestinal infection. ...Read more

Morphology (Definition)

As used in pathology, this is the abnormal shapes and arrangements of organs, tissues, cells, and components of cells that enable the diagnosis of disease and help to understand its impact. Some diseases involve only abnormal function of normal-appearing parts and thus ...Read more


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Are entamoeba histolytica and entamoeba coli the same pathogen?

No: The latter creature usually causes no problems. The former can make you quite sick. ...Read more

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Can 16s sequencing of my intestinal bacteria identify any/all of following infections: h. Pylori, c. Jejuni, toxoplasma gondii?

Can 16s sequencing of my intestinal bacteria identify any/all of following infections:  h. Pylori, c. Jejuni, toxoplasma gondii?

Yes but...: Dna sequencing can identify most of the bacteria and also the % of those present. What you are going to use this for is perhaps the most important question and where are they located? I would check with your physician, find out what testing facility they are using and how extensive is the test. Some of the test only look for a few of the bacteria and don't measure them all. ...Read more

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Suggests contamination with urogenital or skin flora. >100,000 CFU/ml Lactobacillus species. 20,000 CFU/ml mixed gram positive flora. What's it mean?

Suggests contamination with urogenital or skin flora. 
>100,000 CFU/ml Lactobacillus species.
20,000 CFU/ml mixed gram positive flora. 
What's it mean?

Means contaminated: Urine specimen from the surrounding area around urethra (opening where the urine comes out from). You may want to repeat the test , if your doctor still wants that, get a clean catch specimen, which entails cleansing the area first, passing some urine, then obtain a midstream urine sample, follow the lab instructions for that, best wishes ...Read more

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When would one need a giardia lamblia antigen assay?

When would one need a giardia lamblia antigen assay?

Diarrhea: Non-bloody diarrhea with fevers and weight loss, especially after exposure to potentially contaminated fresh water sources (rivers, lakes) may prompt a stool test to rule out giardia. ...Read more

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Are legionella bacteria and giardia connected?

Are legionella bacteria and giardia connected?

Completely different: Legionella can live within waterborne amoeba-like organisms, although not aware that it will live within giardia. Giardia lamblia is a flagellated amoeba-like organism that lives in fresh water as well. Both of these can produce human disease, but the diseases are very different and unrelated. ...Read more

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Urine Culture Results 50,000-100,000 CFU/mL Staphylococcus coagulase negative not S.saprophyticus 10,000-50,000 CFU/mL Multiple organisms Meaning?

See below: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, the colony count, the dominant organism and multiple organism all suggest that this is not real urinary infection. The organisms are likely to be skin contaminants. ...Read more

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Is legionella eukaryotic or prokaryotic?

Is  legionella eukaryotic or prokaryotic?

Prokaryotic: Legionella is a bacterium without a nucleus and is therefore a prokaryote. ...Read more

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Who first discovered bacillus cereus and campylobacter jejuni?

Who first discovered bacillus cereus and campylobacter jejuni?

The history.: See: http://wwwnc.cdc.gov/eid/article/5/1/99-0104_article

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Is Vermox effective in eliminating blasto cystis hominus infections?

Is Vermox effective in eliminating blasto cystis hominus infections?

No: Metronidazole has been used but most times the organism is a commensal not a pathogen. That is, it eats with you, not you. ...Read more

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What does fungal organisms morphologically consistent with candida spp mean?

What does fungal organisms morphologically consistent with candida spp mean?

Probably candida: This is how we describe fungi that are probably candida when we see them on a smear taken directly from the patient. What they mean is for your physician to decide. ...Read more

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Hi Doc, had UTI test. Result: Epithelial cells 1-2/HPF, pus Cells 2-3/HPF, colony count 100,000 cfu/ml. Organism Isolated:Staphylococcus saprophyticus?

Possible UTI: The organism you described is a skin contaminant and is not considered a pathological bacteria it is not the bacteria that has given you a bladder infection. If you have pain on urination or pain around the belly you may have a bladder infection these values in your urine analysis are not diagnostic of a UTI. ...Read more

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Ha stool test done, results endolimax nana trophozoites, entamoeba hartmanni trophozoites. What is that meant? Where could i got that bacteria?

Ha stool test done, results endolimax nana trophozoites, entamoeba hartmanni trophozoites. What is that meant? Where could i got that bacteria?

Amoeba: These are not bacteria but rather amoeba that are found in the intestines of various animals, including the species e. Nana found in humans. Originally thought to be non-pathogenic, studies suggest it can cause intermittent or chronic diarrhea. You most likely acquired this from unsanitary water. ...Read more

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Cdiff 4yrs ago - now have LUQ & soft/loose stools. CDIFF TOXIN/GDH W/REFL TO PCR Result: Toxigenic C. difficile detected New infection or colonized?

Cdiff 4yrs ago - now have LUQ & soft/loose stools. CDIFF TOXIN/GDH W/REFL TO PCR Result: Toxigenic C. difficile detected
New infection or colonized?

Monitor: Once you have C. diff there is a reasonable chance you can be colonized. The criteria for infection include watery stools in excess of 3-4 times daily. The pain or discomfort is usually in the lower abdomen. Soft stools with a relatively low daily frequency usually are not indicative of C. diff. In summary, the presence of C. diff. in your stool in itself is not indicative of infection ...Read more

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Dr. Milton Alvis, jr
74 doctors shared insights

Giardia (Definition)

A condition in which a person is infected by parasites (Giardia lamblia) resulting in diarrhea, abdominal ...Read more