- Menstrual cycle: Whats normal, whats not - Mayo Clinic
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 understand what's typical for you You also can record your ovulation and find important changes — such as a missed
- Aspartate aminotransferase (AST) blood test - Mayo Clinic
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 But it's also in the heart, kidneys, muscles and other organs When tissues in these organs are damaged, AST can leak into
- 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 which takes into account the patients underlying rhythm, gender and age
- Tachycardia - Symptoms and causes - Mayo Clinic
Jeff Olsen: This is a normal heartbeat [HEART BEATING] Atrial fibrillation interrupts this regular beat Fred Kusumoto, M D , Cardiology, Mayo Clinic: In atrial fibrillation, instead of the atria squeezing in a normal regular fashion, the atria beat irregularly and chaotically Jeff Olsen: Dr Fred Kusumoto is an electrophysiologist at Mayo
- Hyponatremia - Symptoms and causes - Mayo Clinic
Sodium plays a key role in your body It helps maintain normal blood pressure, supports the work of your nerves and muscles, and regulates your body's fluid balance A normal blood sodium level is between 135 and 145 milliequivalents per liter (mEq L) Hyponatremia occurs when the sodium in your blood falls below 135 mEq L
- Enlarged liver - Symptoms causes - Mayo Clinic
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 an underlying problem, such as liver disease, congestive heart failure or cancer Treatment involves identifying and controlling the cause of the condition
- How many hours of sleep are enough? - Mayo Clinic
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
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