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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 problems, such as high cholesterol and heart problems
  • Heart arrhythmia - Symptoms and causes - Mayo Clinic
    Symptoms A heart arrhythmia may not cause any symptoms The irregular heartbeat may be found during a health checkup for another reason Symptoms of an arrhythmia may include: A fluttering, pounding or racing feeling in the chest A fast heartbeat A slow heartbeat Chest pain Shortness of breath Other symptoms may include: Anxiety Feeling very tired Lightheadedness or dizziness Sweating
  • Heart palpitations - Diagnosis treatment - Mayo Clinic
    Unless the palpitations are caused by a heart condition, heart palpitations rarely require treatment Instead, a health care provider might recommend taking steps to avoid the triggers that cause palpitations If palpitations are caused by a heart condition, such as an irregular heartbeat (arrhythmia), treatment will focus on correcting the condition
  • Tachycardia - Symptoms and causes - Mayo Clinic
    Learn more about the symptoms and treatment of this heart rhythm disorder, which causes a rapid heart rate
  • Hypoglycemia - Symptoms and causes - Mayo Clinic
    Hypoglycemia unawareness Over time, repeated episodes of hypoglycemia can lead to hypoglycemia unawareness The body and brain no longer produce signs and symptoms that warn of a low blood sugar, such as shakiness or irregular heartbeats (palpitations) When this happens, the risk of severe, life-threatening hypoglycemia increases
  • Hypertrophic cardiomyopathy - Symptoms and causes - Mayo Clinic
    Hypertrophic cardiomyopathy (HCM) is a disease in which the heart muscle becomes thickened, also called hypertrophied The thickened heart muscle can make it harder for the heart to pump blood Many people with hypertrophic cardiomyopathy don't realize they have it That's because they have few, if any, symptoms But in a small number of people with HCM, the thickened heart muscle can cause
  • 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
  • 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





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