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  1. Mayo Clinic Q and A: All about POTS — postural tachycardia …

    Mar 18, 2017 · Postural tachycardia syndrome begins in the teenage or early adulthood years. Although postural tachycardia syndrome is a chronic condition, about 80 percent of patients …

  2. Mayo Clinic Q&A: Why you should know your heart rate numbers

    Jun 9, 2025 · Your heart rate, or pulse, is the number of times your heart beats per minute. Learn why it's important to know your heart rate numbers.

  3. Elevated Heart Rate Most Likely Caused by Medical Condition

    May 6, 2011 · Some have a lifelong history of sinus tachycardia in the 110 beats per minute range, and they lead a normal, healthy life. And often the inappropriate sinus tachycardia will …

  4. Mayo Clinic Q and A: Are energy drinks bad for your health?

    May 2, 2025 · Are energy drinks bad for your health? Learn more from Mayo Clinic about what to know about consuming energy drinks.

  5. Tomorrow's Cure: Utilizing proton beam radiation for dangerous …

    Feb 19, 2025 · Proton beam therapy is a form of radiation treatment that uses a precise beam of protons to deliver targeted radiation. Now, a clinical trial is exploring the use of proton beam …

  6. Mayo Clinic Q and A: Cause of ventricular tachycardia determines ...

    Jan 21, 2020 · The direct cause of ventricular tachycardia is a disruption in the normal electrical impulses that control the rate at which the ventricles pump. But the underlying reason for that …

  7. Mayo Clinic Minute: What is POTS? - Mayo Clinic News Network

    Oct 26, 2016 · For people with postural orthostatic tachycardia syndrome (POTS), everyday tasks can be daunting. Symptoms such as fatigue, dizziness and stomach problems greatly impact …

  8. Mayo Clinic Q and A: Cardiac arrest vs. heart attacks: Who is at risk?

    Nov 30, 2024 · Ventricular fibrillation and ventricular tachycardia occur when the heart is beating too fast, and it becomes dangerous. This also causes a lack of blood flow to your brain and …

  9. Mayo Clinic Minute: How the thyroid affects the heart

    Sep 11, 2019 · The thyroid is part of the endocrine system and regulates your body's metabolic rate. It is a small gland with a complex job. When the thyroid is not working properly, it can …

  10. Mayo Clinic Q and A: Chest pain despite normal stress test

    Dec 19, 2015 · DEAR MAYO CLINIC: What could cause chest discomfort or shortness of breath during exercise or other physical activity in women who have had a “normal” stress test? …