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

2024 Oct 02

Menstrual cycle: What''s normal, what''s not

Learn about how to track your menstrual cycles and what any changes may mean.

2025 Sep 25

Complete blood count (CBC)

Overview A complete blood count (CBC) is a blood test. It''s used to look at overall health and find a wide range of conditions, including anemia, infection and leukemia. A

2024 Jan 29

Ejection fraction: An important heart test

Ejection fraction is a measurement of the percentage of blood leaving the heart each time it squeezes. When the heart squeezes, it''s called a contraction. Ejection fraction is

2025 Aug 05

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

2025 Jan 05

Hematocrit test

The blood sample is generally drawn with a needle from a vein in your arm. You may feel some tenderness at the site, but you''ll be able to resume normal activities afterward. Results Results

2025 Jul 04

Prediabetes

Treatment Healthy lifestyle choices can help you bring your blood sugar level back to normal, or at least keep it from rising toward the levels seen in type 2 diabetes. To prevent

2025 May 10

Heart rate: What''s normal?

A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a health condition.

2025 Oct 17

Hyponatremia

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

2024 Oct 26

Diabetes

These include skipping a meal and getting more physical activity than normal. Low blood sugar also occurs if you take too much insulin or too much of a glucose-lowering

2025 Mar 11

View/Download Normal household solar solar container battery [PDF]

PDF version includes complete article with source references. Suitable for printing and offline reading.