heart palpitations information from trusted sources:
Palpitations are heartbeat sensations that feel like your heart is pounding or racing. You may simply have an unpleasant awareness of your own heartbeat, or may feel skipped or stopped beats. The heart's rhythm may be normal or abnormal. Palpitations can be felt in your chest, throat, or neck. See also: Arrhythmia
Heart palpitations (pal-pih-TA-shuns) are the feelings of having rapid, fluttering or pounding heartbeats. Heart palpitations can be triggered by stress, exercise, medication or, rarely, an underlying medical condition.
The heart is a two stage electrical pump. The upper chambers of the heart, the atria, (single=atrium) collect blood from the body and pump it into the lower chambers, or ventricles. There is a little delay for the ventricles to fill, and then they pump the blood back to the body. For this to happen in a coordinated fashion, the heart has its own electrical system
Palpitations (pal-pi-TAY-shuns) are pounding or racing feelings in your heart. You may become suddenly aware of your heartbeat, or feel that your heartbeat is not normal. You may feel skipped beats (pauses), extra beats, a "flip-flopping" sensation, or a flutter in your chest.
This is a group of tests and health factors that have been proven to indicate your chance of having a cardiovascular event such as heart attack or stroke. They have been refined to indicate the degree of risk: slight, moderate, or high.
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Palpitation - Wikipedia, the free encyclopedia
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Arrhythmia: Heart Palpitations
Heart doctors - Cleveland Clinic Heart & Vascular Institute is a leader in the treatment of heart problems, including heart murmurs and heart palpitations.