
Menstrual cycle: What's normal, what's not - Mayo Clinic
Apr 22, 2023 · Learn about how to track your menstrual cycles and what any changes may mean.
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. A heart rate above or below that may signal a problem.
Hyponatremia - Symptoms and causes - Mayo Clinic
May 17, 2022 · Hyponatremia is the term used when your blood sodium is too low. Learn about symptoms, causes and treatment of this potentially dangerous condition.
How many hours of sleep are enough? - Mayo Clinic
Feb 1, 2025 · The amount of sleep you need depends on various factors — especially your age. While sleep needs vary significantly among individuals, consider these general guidelines for …
Enlarged liver - Symptoms & causes - Mayo Clinic
Mar 5, 2022 · An enlarged liver is one that's bigger than normal. The medical term is hepatomegaly (hep-uh-toe-MEG-uh-le). Rather than a disease, an enlarged liver is a sign of …
Tachycardia - Symptoms and causes - Mayo Clinic
Dec 15, 2023 · Learn more about the symptoms and treatment of this heart rhythm disorder, which causes a rapid heart rate.
Stool color: When to worry - Mayo Clinic
Oct 10, 2024 · Stool comes in a range of colors. All shades of brown and even green are considered typical. Only rarely does stool color indicate a possibly serious intestinal condition. …
Ejection fraction: An important heart test - Mayo Clinic
Jan 29, 2025 · 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 …
Prothrombin time test - Mayo Clinic
Dec 3, 2024 · Overview The prothrombin time test, sometimes referred to as the PT or pro time test, checks how quickly blood is clotting. Prothrombin is a protein produced by the liver. It is …
Blood pressure chart: What your reading means - Mayo Clinic
Feb 28, 2024 · 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 …