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When to see a doctor
It's important to keep in mind that the risk of serious, even life-threatening arrhythmias is highest in people who already have coronary artery disease, heart failure, or other heart-structure abnormalities. Some specific symptoms can give you a clue as to when palpitations require evaluation.
Make an appointment with your doctor if:
- Symptoms interfere with daily activities or wake you from sleep
- Palpitations increased in severity or frequency
- You have a heart disease risk factor such as high cholesterol, diabetes, high blood pressure, or a family history of heart disease
To learn more about your symptoms, your doctor may ask when your palpitations first started, how long each episode lasts, how frequently you have episodes, how an episode starts and stops (suddenly or gradually), and whether the palpitations are associated with other signs and symptoms such as shortness of breath, anxiety, panic reactions, dizziness, or fainting. It's also helpful if you can tap out the beat of your heart rhythm.
You should seek immediate emergency medical care if:
- You have a very rapid heartbeat (more than 140 to 160 beats per minute) that lasts more than 20 to 30 seconds.
- Heart palpitations are accompanied by shortness of breath or chest discomfort, or you have unusual sweating, dizziness, lightheadedness, or fainting associated with the palpitations.
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