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  1. Bounding pulse: Causes, symptoms, treatment, and prevention

    Apr 24, 2025 · A problem with the heart’s electrical system can cause any of the organ’s four chambers to beat irregularly or pump too fast and hard, creating the sensation of a bounding pulse.

  2. What Causes Heart Palpitations and When Should You Worry? - WebMD

    Apr 24, 2026 · What Are Heart Palpitations? Palpitations make you feel like your heart is beating too hard or too fast, skipping a beat, or fluttering. You may notice heart palpitations in your chest, throat, …

  3. Heart Beating Hard But Not Fast? Discover Causes and Solutions …

    Jul 24, 2025 · What Does Heart Beating Hard But Not Fast Mean? Experiencing a heartbeat that feels strong yet steady refers to heightened force behind each contraction without increased rate. This …

  4. When should you worry about abnormal heartbeats? - Harvard Health

    Sep 1, 2025 · A normal heart rate is generally 60 to 100 beats per minute, but SVT can cause the heart rate to climb as high as 250 beats per minute. When that happens, the ventricles don't have time to …

  5. Understanding Heart Palpitations: When to Worry and When It's Normal

    Nov 21, 2025 · While your heart beats continuously throughout your life, you're typically not aware of this constant rhythm. Palpitations occur when you become conscious of your heartbeat, either because …

  6. Heart Palpitations: Symptoms, Causes & Treatment

    Heart palpitations happen to many people. Anxiety is the most frequent cause, but there are many others. Heart palpitations usually aren’t something to worry about.

  7. Heart arrhythmia - Symptoms and causes - Mayo Clinic

    Apr 23, 2026 · A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. A heart arrhythmia happens when the electrical signals that tell the heart to beat don't work as they should. The heart …

  8. How serious are heart palpitations? Causes, symptoms and when to …

    Feb 9, 2026 · Frequently, Jackson said, a doctor will prescribe outpatient heart rhythm monitoring to assess the heart’s electrical activity and find nothing unusual. “Many times, people are having …

  9. Why Is My Heart Beating So Hard? Causes & When to Worry

    May 4, 2026 · A pounding heart is usually stress or caffeine, but sometimes signals something more. Learn the common causes and when to see a doctor.

  10. ‘I’m a Cardiologist—Here’s Why Your Heart Races at Night (and When …

    Heart racing at night and can’t sleep? Even if your heart is skipping beats throughout the day, you’re more likely to notice heart palpitations at night when lying down. But why is that?