Marcela Lemos - Page 5

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Marcela Lemos
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Recent Articles by Marcela Lemos

Alkaline Phosphatase (ALP): Why It’s High or Low (& Normal Ranges)

Alkaline phosphate is an enzyme that is present in the liver and bones and is helpful for evaluating for liver or bone disease. Learn more about when it’s ordered, what causes high or low levels, and what the normal ranges are.

Tests

Creatinine: What Is It, Normal Levels & When to Worry

Creatinine levels are used to evaluate kidney function. Elevated levels may help to identify a kidney injury or infection. Learn what creatinine tests are for, and what the normal levels are, as well as what can cause high or low creatinine .

Tests

Bilirubin: Types, Normal Ranges & What Causes High Levels

Bilirubin is a substance produced by the liver using hemoglobin that is released by destroyed or damaged red blood cells. Learn more about what the normal ranges are, the types of bilirubin (direct, indirect and total), as well as what can cause high levels .

Tests

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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Lymphocytes: What Are They, Types & High or Low Levels

Lymphocytes are a type of white blood cell that help to protect the body from infections. Low lymphocytes can be a sign of illnesses like AIDS or a side-effect of medication or cancer therapy. High levels can occur with infections or allergies. Learn more about the different types and causes high or low lymphocytes.

Tests

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.

Tests

Lactate Dehydrogenase (LDH): Uses & High or Low Levels

The LDH blood test is an exam that is ordered to investigate for cardiac and liver disease. Lactate dehydrogenase (LDH) is an enzyme present in the cells that metabolizes sugar in the body. Learn more about what this test is used for and what high or low levels mean.

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.

Tests

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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Urate Crystals: Causes, Diagnosis & Treatment

Urate crystals are a type of sediment that can appear in the urine due to specimen mishandling or due to acidic urine pH. They are usually identified through a urine R&M test. Learn more about what causes urate crystals, how they are diagnosed and treatment approaches .