Ferritin test

Overview A ferritin test measures the amount of ferritin in the blood. Ferritin is a blood protein that contains iron. This test can be used to find out how much iron the body stores. If a ferritin

Mental health: What''s normal, what''s not

Mental health is the overall wellness of how you think, behave and manage your feelings. A mental health condition may be present when patterns or changes in thinking, feeling, or behaving cause

Triglycerides: Why do they matter?

Triglycerides are an important measure of heart health. Here''s why triglycerides matter — and what to do if your triglycerides are too high.

Blood pressure chart: What your reading means

Ideal blood pressure is categorized as normal. Increased blood pressure may be categorized as elevated, stage 1 or stage 2 depending on the specific numbers. A diagnosis of high

C-reactive protein test

Overview C-reactive protein, also called CRP, is a protein made by the liver. The level of CRP increases when there''s inflammation in the body. A simple blood test can check your C-reactive

Hyponatremia

Hyponatremia is the term used when your blood sodium is too low. Learn about symptoms, causes and treatment of this potentially dangerous condition.

Mayo Clinic corrected QT interval (QTc) calculator

Worried about QT interval prolongation? This online evidence based resource will help guide you how to measure the QT interval and calculate the QTc value with an easy to use calculator which takes into

Creatinine test

Overview A creatinine test is a measure of how well the kidneys are doing their job of filtering waste from the blood. Creatinine is a chemical compound left over from energy-making

Urine color

Overview Regular urine color ranges from clear to pale yellow. But certain things can change the color. Foods such as beets, blackberries and fava beans can turn urine pink or red, for

High blood pressure (hypertension)

Hypertension can be diagnosed by performing careful and repeated measures of the blood pressure. Blood pressure categories include normal blood pressure, defined as a systolic