Marcela Lemos - Page 8

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Marcela Lemos
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Recent Articles by Marcela Lemos

BUN Blood Test: What Is It, Uses & What Results Mean

A BUN blood test is ordered to evaluate kidney and liver function. Urea is a substance produced by the liver and is an end-product of breakdown of protein. Learn more about how it can measure liver and kidney function, why it’s ordered, and what normal ranges are. Also read about what high or low BUN levels mean.

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Protein in Urine: Causes, Types & Symptoms

High levels of protein in the urine can occur for many reasons, like high blood pressure, diabetes or dehydration. Learn more about what can cause protein in the urine, symptoms associated with proteinuria and how it is treated .

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CEA Blood Test: What It Tests & Normal Levels

CEA blood tests are usually ordered to help with the diagnosis and monitoring of patients with colorectal cancer. However, it can also be elevated with other health conditions, like liver or pancreatic problems. Learn more about what the CEA test, what it tests for and what normal levels are.

Tuberculosis

TB Test: What Is It, How It’s Done & Positive or Negative Result

A TB test is done by injecting a small amount of tuberculin (protein from the tuberculosis bacteria) beneath the skin of the forearm. The skin reaction to this injection is then assessed 72 hours later. Learn more about how this test is done, and what a positive or negative result mean.

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Leukocytes: High or Low Levels & What Results Mean

Changes to leukocyte levels can happen due to several problems, such as infections or even cancer. Find out what leukocytes are, what causes a high white blood cell count, or a low count, and what to do in each situation.

Hyperthyroidism

TSH Blood Test: What It's For & Why It's High or Low

The TSH blood test is a type of test that is generally ordered to evaluate thyroid health. Learn about what the normal values are, and what it means if your TSH level is too high or low, as well as what it means to order a sensitive TSH.

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Monocytes: High & Low Levels (& Reference Ranges)

Monocytes are a type of white blood cell that are apart of the immune system. High levels are usually a sign of infection, and can be a marker for doctors to guide treatment. Learn more about what causes high monocytes or low monocytes, and what the normal levels are.

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FSH Blood Test: Normal Levels & What Results Mean

FSH blood tests are ordered to evaluate testicular and ovarian function and is a good marker for fertility. Learn about what normal FSH levels are, what high or low levels mean, and why this test is ordered .

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Hematocrit Test (Hct): Reference Ranges & High or Low Levels

Hematocrit, or Hct, is a blood test thatch identify anemia, dehydration and heart disease. This test is reported as a percentage, and looks at the ratio of red blood cells to total blood volume. Learn what normal Hot levels are, and what high or low levels mean.

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Bacteria in Urine: What Results Mean & Common Causes

Bacteria in urine frequently occurs due to incorrect collection of the urine, resulting in contamination of the specimen. It may also be a sign of a UTI or tuberculosis, especially if bacteria is observed in high quantities. Learn more about what results mean and what causes bacteria in the urine.

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Nitrites in Urine: What It Means & How to Treat

Nitrites in the urine may be a sign of a urinary infection and should be treated as indicated by your doctor. Learn more about why nitrites appear in the urine, how they are tested and how to treat it.

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ESR Blood Test: Normal Ranges & What It Means

An ESR (erythrocyte sedimentation rate) blood test is very useful for detecting inflammation or infections in the body. Learn how ESR is tested, what it is for, and what it means if you have a high ESR or low ESR level .

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GGT Blood Test: What a High or Low Result Means

A GGT blood test is normally ordered to assess for liver injury, like hepatitis or cirrhosis, however it can also be apart of a routine work-up to assess whether the liver is functioning normally. Learn about what a high GGT or low GGT means and what the normal reference range is.

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CPK Test: High or Low Levels & What Results Mean

A CPK test looks at the levels of creatinine phosphokinase in the blood. It is used to evaluate possible damage in the skeletal muscles, heart or brain. Learn about why this test is ordered, what a high or low level means, and the different types of CPK.

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Epithelial Cells in Urine: Types (including Squamous) & Causes

Epithelial cells in the urine are considered to be a normal finding and usually is not of clinical relevance. However too many epithelial cells in the urine can be a sign of a UTI or kidney problem. Learn about what causes epthelial cells t.