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Infographic showing low and high TSH symptoms with icons — tiredness, weight gain, anxiety, heartbeat — on a blue medical background with “Abnormal TSH?” highlighted below.

TSH (Thyroid Stimulating Hormone) Test – Normal Range, Function, and Complete Guide

The TSH test measures thyroid-stimulating hormone in your blood to assess thyroid function. It helps diagnose hypothyroidism and hyperthyroidism, monitor treatment, and detect pituitary issues. Learn about its role, causes of high or low TSH, and normal reference ranges.

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FT4 (Free Thyroxine) infographic showing causes of high and low FT4 levels with normal range, thyroid test information, and simple medical layout.

FT4 (Free Thyroxine) Test – Normal Range, Function, Symptoms, and Complete Guide

The FT4 test measures the free thyroxine hormone level in your blood. It helps detect thyroid disorders like hypothyroidism and hyperthyroidism. Learn about its function, causes of abnormal levels, symptoms, reference range, and how the test is performed.

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FT3 (Free Triiodothyronine) test infographic comparing 4 symptoms of low FT3 and 4 symptoms of high FT3 with neat alignment and realistic medical icons in a clean beige-blue background.

FT3 (Free Triiodothyronine) Test – Normal Range, Function, and Causes of High & Low Levels

The FT3 (Free Triiodothyronine) test measures the active thyroid hormone in your blood. It helps diagnose thyroid disorders such as hyperthyroidism or hypothyroidism. Learn about normal ranges, causes, and symptoms of high or low FT3 levels and how it reflects your thyroid health.

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Professional medical infographic showing T4 (Thyroxine) test with two causes and two symptoms each for low and high T4 levels, featuring neat icons and a clean, blue-orange design.

T4 (Thyroxine) Test – Normal Range, Function, Causes of High & Low T4 Explained

The T4 (Thyroxine) test measures the level of thyroid hormone in the blood to assess thyroid function. Learn about normal ranges, causes, and symptoms of high or low T4 levels, and the importance of T4 in regulating metabolism and overall health.

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Clean, professional T3 test infographic comparing low vs high T3 levels with realistic thyroid-related icons, showing symptoms like fatigue, weight change, rapid heartbeat, and heat intolerance.

T3 (Triiodothyronine) Test – Normal Range, Function, High & Low T3 Levels Explained

The T3 (Triiodothyronine) test measures active thyroid hormone levels to evaluate thyroid function. Learn about its normal range, function, causes, and symptoms of high and low T3. This test helps diagnose hypothyroidism, hyperthyroidism, and other thyroid-related disorders.

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Clean medical infographic showing side-by-side symptoms of low ferritin and high ferritin levels — including fatigue, pale skin, joint pain, and irregular heartbeat, with simple realistic icons.

Ferritin Test – Normal Range, Function, Causes of High & Low Levels Explained

The Ferritin Test measures the amount of ferritin, a protein that stores iron in your body. It helps detect iron deficiency, anemia, or iron overload. Learn about normal ranges, symptoms, causes of high or low ferritin, and the importance of ferritin in maintaining healthy red blood cell production.

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TIBC test infographic showing the difference between high and low TIBC levels, with realistic icons of fatigue, joint pain, pale skin, and cold hands for awareness.

TIBC (Total Iron Binding Capacity) Test – Normal Range, High & Low Levels Explained

The TIBC test measures how well your blood can bind and transport iron through transferrin. It helps diagnose iron deficiency anemia, iron overload, and chronic illnesses. This article explains normal range, causes of high or low TIBC, symptoms, and test preparation steps.

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Iron Test – Normal Range, Functions, Symptoms, and Causes of Low or High Iron

The Iron Test measures the amount of iron in your blood. It helps diagnose iron deficiency anemia or iron overload conditions like hemochromatosis. Learn about normal ranges, symptoms, and the importance of maintaining balanced iron levels for healthy red blood cell function.

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Chloride test infographic showing symptoms of high chloride—fatigue, excessive thirst, high blood pressure, and confusion—with realistic medical icons.

Chloride (Cl⁻) Blood Test – Normal Range, Functions, and Health Importance

The Chloride (Cl⁻) blood test checks the chloride level in your blood, an essential electrolyte for maintaining fluid, acid-base, and nerve balance. This article explains normal ranges, functions, and the causes and symptoms of high and low chloride levels.

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