Marcela Lemos - Page 2

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Marcela Lemos
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Recent Articles by Marcela Lemos

Hypokalemia: Symptoms, Causes & Treatment

Hypokalemia is low potassium in the blood, which can cause muscle weakness, cramps, breathing difficulty, and heart rhythm changes. Common causes include vomiting, diarrhea, laxative use, and certain medications.

Diseases and Conditions

Cholera: Symptoms, Transmission & Treatment

Cholera is a bacterial infection that causes severe watery diarrhea, vomiting, and dehydration. It spreads through contaminated food or water and requires fast treatment with rehydration and, in some cases, antibiotics.

Diseases and Conditions

Mast Cells: Function, Tests & Related Conditions

Mast cells help the immune system respond to allergies, infections, inflammation, and toxins. Changes in mast cell levels may be linked to allergies, mastocytosis, mast cell activation syndrome, or parasitic and bacterial infections.

Tests

Red Blood Cells: Normal Range & What Results Mean

Red blood cells carry oxygen, help remove carbon dioxide, and support blood pH balance. High or low RBC levels may be linked to anemia, bleeding, nutrient deficiencies, kidney disease, or other conditions.

Tests

MCHC Blood Test: Reference Values & What Results Mean

The MCHC blood test measures hemoglobin concentration in red blood cells. High or low MCHC levels may be linked to anemia, thyroid changes, medication interactions, or excessive alcohol intake.

Tests

Reticulocyte Test: How It’s Done & What Results Mean

Reticulocyte testing measures young red blood cells to help evaluate bone marrow function and possible causes of anemia, including hemolytic anemia and iron deficiency anemia.

Diseases and Conditions

Adenovirus: Symptoms, Causes & Treatment

Adenovirus is a group of viruses that can cause respiratory, digestive, nervous system, or eye infections. It spreads through droplets, surfaces, or stool, and symptoms may include fever, cough, sore throat, diarrhea, or red eyes. Diagnosis and treatment depend on severity.

Tests

Blood Tests for Cancer: 13 Types & What They Show

Blood tests for cancer may check tumor markers like AFP, PSA, CA 125, and CEA, which can help investigate cancer and monitor treatment response, but results should be confirmed with imaging or other diagnostic tests.

Cancer

Glioma: Symptoms, Causes & Treatment

Glioma is a brain tumor that affects glial cells and can cause headache, nausea, seizures, memory loss, and vision changes. Treatment depends on the tumor grade and may include surgery, radiation therapy, chemotherapy, and rehabilitation.

Tests

CEA Blood Test: What It Is & What Results Mean

CEA blood test measures carcinoembryonic antigen levels to help monitor colorectal and thyroid cancer treatment and detect recurrence. High CEA may also occur with conditions like gastritis, COPD, or diabetes, and does not always indicate cancer.

Diseases and Conditions

Typhoid Fever: Symptoms, Causes & Treatment

Typhoid fever is a bacterial infection that spreads through contaminated food or water and can cause high fever, chills, headache, digestive changes, and red spots on the skin. Treatment may include antibiotics, rest, fluids, and prevention with safe hygiene habits or vaccination.

Tests

Monocytes: What They Are & Normal Levels

Monocytes are white blood cells that help fight infections. High or low levels on a CBC may indicate immune changes, infections, autoimmune disease, leukemia or bone marrow problems.

Tests

Hct Blood Test: What It Is & What Results Mean

Hct blood test measures hematocrit, the percentage of red blood cells in blood, helping assess anemia, dehydration, bleeding, nutrient deficiencies, lung disease and other conditions.

Diseases and Conditions

Bacteremia: Symptoms, Diagnosis, Causes & Treatment

Bacteremia is bacteria in the blood, often linked to dental or surgical procedures, urinary infections, catheters, or wounds. Symptoms may include fever, chills, rapid heartbeat, low blood pressure, and fast breathing when it progresses to sepsis.

Diseases and Conditions

Staphylococcus Aureus: Symptoms, Diseases & Treatment

Staphylococcus aureus is a bacterium that can live on the skin, mouth and nose, but may cause infections such as folliculitis, cellulitis, pneumonia, sepsis, MRSA and food poisoning.