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(păl'pĭtā`shən), abnormal heartbeat that is often associated with a sensation of fluttering or thumping. The normal heartbeat is not noticeable to the individual. Palpitation may be a symptom of organic heart disease or of other body disorders such as an overactive thyroid gland or anemia. In healthy persons palpitation can be brought on by undue exertion, shock, excitement, or stimulants.



a heart action that produces a disagreeable awareness in those suffering from various diseases, including diseases of the cardiovascular, nervous, and endocrine systems, as well as in healthy individuals under considerable physical and emotional strain. Palpitation is primarily associated with an increase in the number of heart contractions per minute, for example, with overstrain or paroxysmal tachycardia. It is also associated with rhythmic disorders of contractility, including extrasystole and atrial fibrillation. Therapeutic measures and preventive treatment are determined by the causes of palpitation.

References in periodicals archive ?
These palpitations can feel like a pause, a big boom or both, as the heart fills with blood while its electrical system resets.
Heart palpitations make an individual feel that their heart is racing, missing a beat, or has an irregular rhythm, and although they usually have a benign cause, like stress, they can be indicative of a more serious, underlying heart condition.
bfitio Dec Thing "The night before (he died) he was suffering from heart palpitations, something he had been saying about for a little while," added Mr Standerwick.
All children above 5 years of age with history of intermittent palpitations and normal basic cardiovascular workup were enrolled.
Two days before admission, she was admitted to the emergency department with persistent palpitations and headaches, and the blood pressure (BP) was 180/90 mmHg.
6 You have palpitations that are worse when you exert yourself, get out of breath or you have a heavy aching sensation in your chest.
The previous palpitations were sporadic (a few times per year) but in retrospect increasing over time, and often associated with straining at stool or otherwise being in a position that put pressure on the abdomen.
The steeplechase star, left, revealed this week she has suffered palpitations since childhood and was hospitalised during a training camp in Qatar this year.
3Vasomotor symptoms include hot flushes, night sweats and palpitations.
QCOULD my son's palpitations be caused by fizzy drinks?