Marcela Lemos - Page 2

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Marcela Lemos
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Recent Articles by Marcela Lemos

Eosinophilia: Symptoms, Normal Levels & Causes

Eosinophilia is a condition marked by increased eosinophils in the blood, often linked to parasitic infections or allergies. It may also occur with skin diseases or lymphoma, and evaluation includes symptoms, reference values, severity levels, and interpretation of eosinophil test results.

Tests

Hemoglobin in Urine: What It Means & When to Worry

Hemoglobin in urine may be linked to kidney infection, malaria, severe burns, or other conditions. Find out what a positive urine test may mean, possible symptoms, common causes, and when medical evaluation is needed.

Diseases and Conditions

Histiocytosis: Symptoms, Types & Treatment

Histiocytosis is a rare condition caused by abnormal buildup of histiocytes. Covers key symptoms, whether it is cancer, main types (Langerhans cell, Erdheim-Chester, Rosai-Dorfman), diagnosis tests, possible causes, and treatment options.

Symptoms

Toxoplasmosis Symptoms: Top Signs (Adults & Babies) & Diagnosis

Common toxoplasmosis symptoms include headaches, fever, and fatigue. While most healthy individuals remain asymptomatic, those with weakened immunity may experience seizures or confusion. Congenital cases can lead to microcephaly or vision loss. Diagnosis relies on IgG and IgM antibody blood tests.

Tests

High Monocytes: Symptoms, Reference Levels & Common Causes

High monocytes, or monocytosis, refer to white blood cell levels exceeding 1,000 per microliter. This elevation often points to infections like tuberculosis, bacterial endocarditis, or autoimmune conditions such as rheumatoid arthritis. Symptoms commonly include fever, fatigue, and night sweats.

Tests

Albumin Blood Test: High and Low Levels (& What Results Mean)

The albumin blood test measures liver-produced protein levels to assess nutritional status and detect kidney or liver problems. Results may show dehydration, malnutrition, inflammation, or chronic disease. Often ordered with urine and liver tests, with values varying by age and lab. (.

Diseases and Conditions

Blood Infection: Symptoms, Causes & Treatment

Blood infection (septicemia) occurs when bacteria, viruses, or fungi enter the bloodstream, causing high fever, chills, weakness, and low blood pressure. Diagnosis uses blood cultures and tests; hospital treatment may include IV antibiotics and monitoring.

Tests

FSH Blood Test: What It Measures & Normal Levels

FSH blood test measures follicle-stimulating hormone from the pituitary gland, essential for sperm production and egg maturation. It helps assess fertility, menstrual changes, menopause, and ovarian or testicular function, with normal ranges and causes of high or low levels explained.

Sexual Health

Donovanosis: Symptoms, Treatment & Prevention

Donovanosis is a chronic STI caused by Klebsiella granulomatis, leading to painless red bumps and slowly growing genital ulcers. Includes timing, diagnosis, HIV risk, treatment antibiotics, complications, and prevention.

Tests

High Platelet Count: Symptoms, Causes & References Range

High platelet count (thrombocytosis) can follow intense exercise, certain medications, pregnancy or labor, or signal conditions like anemia, lymphoma, or rheumatoid arthritis. Symptoms, CBC diagnosis, and treatment options explained.

Tests

Cholinesterase: Indications for Testing & Interpreting Results

Cholinesterase test overview: what it measures, who may need it (chemical and pesticide exposure, liver disease), normal ranges, and what high or low results can indicate, including organophosphate exposure.

Diseases and Conditions

Leukocytosis: Types, Causes & High WBC in Pregnancy

Leukocytosis is a condition marked by an elevated white blood cell count, often signaling that the immune system is responding to infection, inflammation, or physical stress. This overview covers the five specific types of high counts, common causes like allergies or medication, and normal pregnancy.

Tests

HIV Test: When to Test, Types & What Results Mean

The HIV test detects the virus through blood or saliva samples. Accuracy depends on the 30-day window period to avoid false negatives. Common methods include 4th generation ELISA, rapid tests, and molecular NAT screenings. Early detection allows for PEP and viral load monitoring to prevent AIDS.

Tests

Fecal Occult Blood Test: How to Prepare & What Results Mean

Fecal occult blood test finds hidden blood in stool that may point to ulcers, colitis, Crohn’s disease, polyps, hemorrhoids, diverticulitis, or colorectal cancer. Covers 3-day prep, avoiding certain foods/meds, and interpreting results.

Diseases and Conditions

Cerebral Hemorrhage: Symptoms, Causes & Treatment

Cerebral hemorrhage is a medical emergency stroke caused by bleeding in or around the brain. Symptoms include sudden severe headache, weakness, vision changes, seizures, or loss of consciousness. Covers diagnosis, types, causes, treatment, and complications.