Marcela Lemos - Page 4

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Marcela Lemos
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Recent Articles by Marcela Lemos

Erythrocytes: What High or Low Levels Mean

Erythrocytes, or red blood cells, play a crucial role in oxygen transport, pH balance, and carbon dioxide removal. Learn about normal erythrocyte values, conditions affecting their levels, and how abnormalities like high or low erythrocytes can indicate health issues such as anemia or dehydration.

Diseases and Conditions

Salmonella: Symptoms, Causes & Treatment

Salmonella is a bacteria that spreads through contaminated food or water, often from raw or undercooked meat, eggs, or unpasteurized milk. It can cause salmonellosis or typhoid fever, leading to diarrhea, vomiting, fever, and abdominal pain, and may require medical treatment in severe cases.

Diseases and Conditions

Dust Mite: Symptoms, Health Conditions, Prevention & Elimination

A dust mite is a tiny arthropod that causes allergic reactions and respiratory issues, including sneezing, runny nose, and asthma. Learn about common symptoms, diseases they cause, and effective prevention strategies such as cleaning, ventilation, and proper bedding care to eliminate dust mites and reduce health risks.

Tests

Thyroid Peroxidase Antibodies: Reference Values & What They Mean

Thyroid Peroxidase Antibodies (anti-TPO) are immune proteins that can attack the thyroid gland and are associated with disorders like Hashimoto’s thyroiditis or Graves’ disease. Learn what high anti-TPO levels mean, their possible causes, and how treatment is managed by an endocrinologist.

Diseases and Conditions

Listeria: Symptoms, Diagnosis, Transmission & Treatment

Listeria is a bacteria that causes listeriosis, a foodborne infection spread through contaminated water or food like unpasteurized milk, cheese, meat, or seafood. Symptoms include fever, diarrhea, and muscle pain, and can be severe in pregnant women, older adults, and those with weak immunity.

Diseases and Conditions

Lymphocytosis: What It Means & What to Do

Lymphocytosis is a condition where white blood cell levels are higher than normal, often due to infections like mononucleosis, hepatitis, or tuberculosis, or cancers such as leukemia and lymphoma. Learn about its main causes, symptoms, diagnosis, and treatment options.

Tests

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

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.