Marcela Lemos - Page 3

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Marcela Lemos
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Recent Articles by Marcela Lemos

RDW Blood Test: Low or High levels, Why It’s Ordered & Conditions

The rdw blood test measures differences in red blood cell size to help detect anisocytosis, which may be an early sign of anemia or nutrient deficiencies. High RDW levels can indicate iron, vitamin B12, or folate deficiency, while results are interpreted with MCV to identify the cause.

Diseases and Conditions

Leishmaniasis: Symptoms, Causes & Treatment

Leishmaniasis is an infectious disease caused by the Leishmania parasite that can affect the skin or internal organs. Learn about its main symptoms, how transmission occurs, diagnostic methods, available treatments, and key prevention measures to reduce infection risk.

Symptoms

Mucus in Urine: 7 Possible Causes (& What to Do)

Mucus in urine is usually normal, as it helps protect the urinary tract. However, excessive or thick mucus, cloudy urine, or changes in color may indicate infections, kidney stones, pregnancy, or bowel disease. A urinalysis can confirm mucus and identify possible underlying causes.

Tests

Calcitonin: Main Function, Indications for Testing & Reference Values

Calcitonin is a thyroid hormone that helps regulate calcium levels in the blood by reducing bone breakdown, limiting intestinal absorption, and increasing calcium excretion. Learn what causes high or low calcitonin levels, when testing is needed, and how results are interpreted.

Tests

Low Ferritin Level: Symptoms, Causes & What to Do

A low ferritin level can cause fatigue, weakness, pale skin, and hair loss, and may result from anemia, hypothyroidism, or blood loss. Learn what causes low ferritin, how it’s diagnosed, and the main treatments to restore normal iron levels and prevent complications.

Tests

High MCH: What It Means & What to Do

High MCH levels may indicate conditions like megaloblastic anemia, hypothyroidism, alcoholism, or liver disease. Learn what causes high MCH in blood tests, possible symptoms, and common treatments, including supplements, medications, and lifestyle changes.

Tests

Low MCH: What It Means & What to Do

Low MCH may indicate anemia or other blood disorders that affect oxygen transport in the body. Learn what low MCH means, its main causes like iron deficiency, thalassemia, or chronic disease, and the treatments used to restore healthy hemoglobin levels.

Tests

High Ferritin Level: Symptoms, Causes & Reference Values

A high ferritin level can indicate conditions like cancer, hemochromatosis, liver disease, or infections. Learn what causes elevated ferritin, common symptoms such as fatigue and joint pain, and how doctors diagnose and treat high ferritin levels to restore iron balance in the body.

Tests

Low MCV: What It Means & What to Do

Low MCV may indicate conditions like iron deficiency anemia, thalassemia, sideroblastic anemia, or lead poisoning. Learn what low MCV means, its main causes, symptoms, and treatment options, including when to see a doctor for proper diagnosis and care.

Tests

D-Dimer Test: Purpose, Procedure & What Results Mean

The D-dimer test measures a protein fragment released when blood clots dissolve and helps identify conditions like deep vein thrombosis, pulmonary embolism, or disseminated intravascular coagulation. Learn what abnormal results mean, how it’s done, and factors that affect accuracy.

Tests

High TSH: Symptoms, Causes & Treatment

High TSH can be caused by thyroid disorders like hypothyroidism or Hashimoto’s thyroiditis, or by a pituitary tumor. Learn what high TSH means, its main symptoms, possible causes, and treatment options such as levothyroxine or surgery, depending on the underlying condition.

Diseases and Conditions

Giardiasis: Symptoms, Transmission, Treatment & Prevention

Giardia is a parasite that causes giardiasis, an intestinal infection marked by diarrhea, nausea, stomach pain, bloating, and weight loss. Learn how giardia spreads, the symptoms it causes, how doctors diagnose the infection, treatment options, and ways to prevent it.

Tests

Leukocytes in Urine: What It Means, Normal Range, Causes & Tests

Leukocytes in urine, also known as white blood cells, may be a sign of a urinary tract infection, kidney problem, or other health issue. Learn what causes high leukocyte levels, what’s considered normal, how they’re tested, and when to see a doctor based on your symptoms or test results.

Diseases and Conditions

Paronychia: Symptoms, Diagnosis, Causes, Treatment & Home Care

Paronychia is a nail infection that causes redness, swelling, pain, and pus around the nail, often from bacteria entering small cuts. Learn about its main causes, symptoms, diagnosis, treatment with topical or oral antibiotics, and simple home care tips for recovery.

Tests

MCV Blood Test: Normal Range & High or Low MCV Causes

The MCV blood test measures the average size of red blood cells and helps identify conditions like anemia, thalassemia, hypothyroidism, or chronic infections. Normal MCV ranges from 80–100 fL, and results should be interpreted with other blood count values for accurate diagnosis.