Our expert says:
Heart fluttering or palpitations is a common symptom in general and specialist practice. The underlying symptom may be due to the exaggerated sensation of the normal heart rhythm or alternatively may represent an underlying arrhythmia , or an abnormality of the heart rhythm.
There are too many causes of an abnormal rhythm to mention, given the platform of discussion. The most common being isolated single beats of ventricular or atrial origin, the lower and upper heart chambers respectively. These beats are usually inconsequential if non-sustained and transient. Anxiety, caffeine and certain medications (to name a few cause), may precipitate these beats.
A serious condition, to exclude if the impulses are felt to be irregular, is atrial fibrillation, associated with stroke. The risk of stroke depends on a number of factors. Your GP would have presumably performed or referred you for an electrocardiogram to screen for this condition.
Your palpitations should also be investigated if associated with dizziness, chest pain, swelling, shortness of breath or loss of consciousness.
Your age and background medical history are crucial to assessing the possible causes. If these symptoms are troubling you, then I would suggest getting a baseline, screening electrocardiogram.
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