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  • Heart palpitations - Symptoms causes - Mayo Clinic
    Heart palpitations (pal-pih-TAY-shuns) are feelings of having a fast-beating, fluttering or pounding heart Stress, exercise, medication or, rarely, a medical condition can trigger them Although heart palpitations can be worrisome, they're usually harmless Rarely, heart palpitations can be a symptom of a more serious heart condition, such as an irregular heartbeat (arrhythmia), that might
  • Atrial fibrillation - Symptoms and causes - Mayo Clinic
    Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm An irregular heart rhythm is called an arrhythmia AFib can lead to blood clots in the heart The condition also increases the risk of stroke, heart failure and other heart-related complications
  • Hypothyroidism (underactive thyroid) - Symptoms and causes
    Overview Hypothyroidism happens when the thyroid gland doesn't make enough thyroid hormone This condition also is called underactive thyroid Hypothyroidism may not cause noticeable symptoms in its early stages Over time, hypothyroidism that isn't treated can lead to other health concerns, such as high cholesterol and heart conditions
  • Heart arrhythmia - Symptoms and causes - Mayo Clinic
    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 may beat too fast or too slow Or the pattern of the heartbeat may be inconsistent A heart arrhythmia may feel like a fluttering, pounding or racing heartbeat Some heart arrhythmias are harmless Others may cause
  • Hyperthyroidism - Symptoms and causes - Mayo Clinic
    Symptoms Hyperthyroidism sometimes looks like other health problems That can make it hard to diagnose It can cause many symptoms, including: Losing weight without trying Fast heartbeat, a condition called tachycardia Irregular heartbeat, also called arrhythmia Pounding of the heart, sometimes called heart palpitations Increased hunger Nervousness, anxiety and irritability Tremor
  • Tachycardia - Symptoms and causes - Mayo Clinic
    Learn more about the symptoms and treatment of this heart rhythm disorder, which causes a rapid heart rate
  • Graves disease - Symptoms and causes - Mayo Clinic
    Graves' disease is an immune system condition that affects the thyroid gland It causes the body to make too much thyroid hormone That condition is called hyperthyroidism Thyroid hormones affect many organs in the body So Graves' disease symptoms also can affect those organs Anyone can get Graves' disease But it's more common in women and in people older than 30
  • Supraventricular tachycardia - Symptoms and causes - Mayo Clinic
    Supraventricular tachycardia (SVT) is a type of irregular heartbeat, also called an arrhythmia It's a very fast or erratic heartbeat that affects the heart's upper chambers SVT also is called paroxysmal supraventricular tachycardia The typical heart beats about 60 to 100 times a minute During


















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