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Heart Palpitations

What are heart palpitations?

Heart palpitations are the sensation of your heart suddenly "pounding" or "racing." They may feel like the feeling you get when you are exercising or they may feel like a flutter, a skipped or extra beat, or a heartbeat that simply does not feel normal. Palpitations can occur at any time -- while you are simply sitting or moving about normally as you perform your daily activities.

Palpitations can be felt in your chest, throat, or neck. Although heart palpitations may be startling, they may or may not be related to an abnormal heart rate and are often not serious or harmful.

What causes heart palpitations?

Heart palpitations may be caused by:

  • Emotions, such as anxiety, stress, fear or panic
  • Exercise
  • Pregnancy
  • Caffeine found in coffee, teas, chocolate, colas, some sports drinks and foods
  • Certain medical conditions: overactive thyroid, low blood sugar, low potassium level, low oxygen level or low carbon dioxide level in the blood, fever, anemia, dehydration, loss of blood, shock
  • Certain medications: asthma inhalers and decongestants, beta blockers (taken for high blood pressure or heart disease), thyroid and antiarrhythmic medications, and some over-the-counter medications that act as stimulants, such as cough and cold medicines, and some herbal or nutritional supplements (such as ma huang or ephedra)
  • Illegal street drugs: cocaine and amphetamines (speed)
  • Nicotine found in tobacco products

Symptoms of palpitations are more likely to be related to an abnormal heart rhythm if you have:

  • Significant risk factors for heart disease
  • Existing heart disease
  • Known heart rhythm problems – also called irregular heartbeats or arrhythmias (a change in rhythm of your heartbeat)
  • Abnormal heart valves

Are palpitations the sign of a more serious health problem?

Palpitations may or may not be related to a serious health problem. Palpitations may be a sign of a more serious health problem if you also feel:

  • Dizzy
  • Confused
  • Light-headed
  • Pain, pressure, or tightness in your chest, neck, jaw, arms, or upper back

Or if you:

  • Have trouble breathing
  • Pass out while experiencing the palpitations

If you experience these symptoms you should call your doctor’s office right away.

How are palpitations diagnosed?

It may be difficult for your doctor to determine the cause of your palpitations, especially if you are not experiencing them during your office visit. In some cases, a cause of the palpitations may not be found. Despite these obstacles, your doctor will review your medical history, ask you about your symptoms, review any medications and herbal products you may be taking, and ask you about your diet. Your doctor will also listen to your heart and lungs.

Your doctor may order certain tests or refer you to a cardiologist who may order additional tests such as: blood and urine tests, electrocardiogram (EKG), stress test, chest x-ray, echocardiogram (heart ultrasound), and a heartbeat monitoring test called an ambulatory cardiac monitor. If a heart problem is suspected, more invasive tests, such as an electrophysiology study or cardiac catheterization, may be performed.

How are palpitations treated?

Treatment depends on the cause of the palpitations. Your doctor will use the results of the diagnostic tests to determine if you have any underlying heart disease causing your symptoms. Your doctor will also check if the palpitations may be related to an abnormal heart rhythm. In most cases, if you are otherwise healthy, no treatment will be necessary. If you notice that palpitations occur with certain activities or food, you should avoid those activities.

If the heart palpitations bother you and you have other health problems, your doctor will determine an appropriate treatment plan that may include medications, invasive procedures, surgery, or implantation of an electrical device to restore a normal heart rhythm, or correct an underlying heart problem.

What can I do to prevent palpitations?

To help lessen heart palpitations:

  • Decrease your stress level (Learn biofeedback, deep breathing and/or relaxation exercises such as yoga, tai chi, or guided imagery)
  • Limit alcohol
  • Limit caffeinated beverages
  • Do not smoke or use tobacco products
  • Exercise on a regular basis (Ask your doctor what exercise program is right for you)
  • Avoid certain activities that appear to be associated with palpitations
  • Avoid certain medications that act as stimulants, such as cough and cold medicines, and some herbal or nutritional supplements
  • Make sure your blood pressure and cholesterol are well controlled
  • Try not to pay attention to your heart palpitations once any serious causes have been ruled out.

To help your doctor diagnose your condition, keep track of your heart palpitations. Note when they happen, how long they last, how you are feeling when they occur, and if you are doing an activity when they occur. Share this information with your doctor. If you notice a sudden increase in the palpitations or any type of change in them, call your doctor. Keep all scheduled follow-up visits with your doctor so your condition can be monitored.

Reviewed: 3/1/2010...#12587

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This information is provided by Cleveland Clinic and is not intended to replace the medical advice of your doctor or health care provider. Please consult your health care provider for advice about a specific medical condition.

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