
Menstrual cycle: What's normal, what's not - Mayo Clinic
Apr 22, 2023 · Do you know when your last menstrual period began or how long it lasted? If not, it might be time to start paying attention. Keeping track of your menstrual cycles can help you …
Ejection fraction: An important heart test - Mayo Clinic
Jan 29, 2025 · A left ventricle (LV) ejection fraction of about 50% to 70% is categorized as normal. A mildly reduced LV ejection fraction is usually between 41% and 49%. A reduced LV ejection …
Aspartate aminotransferase (AST) blood test - Mayo Clinic
May 20, 2025 · An aspartate aminotransferase test, also called an AST test, is a blood test. It's commonly used to check the health of the liver. AST is a substance found mostly in the liver. …
Heart rate: What's normal? - Mayo Clinic
Oct 8, 2022 · A normal resting heart rate for adults ranges from 60 to 100 beats per minute. Generally, a lower heart rate at rest implies more efficient heart function and better …
Aging: What to expect - Mayo Clinic
Nov 1, 2024 · You know that aging will likely cause wrinkles and gray hair. But do you know how aging will affect your teeth, heart and sexuality? Find out what changes to expect as you …
Blood pressure chart: What your reading means - Mayo Clinic
Feb 28, 2024 · Normal blood pressure: Maintain or adopt a healthy lifestyle. 120 to 129: and: Below 80: Elevated blood pressure: Maintain or adopt a healthy lifestyle. 130 to 139: or: 80 to …
considered normal has been developed. The new normal range for blood pressure recommended by the American Heart Association is below120/80. In addition,a new category called pre …
How many hours of sleep are enough? - Mayo Clinic
Feb 1, 2025 · Age group Recommended amount of sleep; Infants 4 months to 12 months: 12 to 16 hours per 24 hours, including naps: 1 to 2 years
Mayo Clinic corrected QT interval (QTc) calculator - Medical ...
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 …
Urinalysis - Mayo Clinic
Oct 24, 2023 · A measure of concentration shows how concentrated the particles are in your urine. A higher than normal concentration often is a result of not drinking enough fluids. …