Heart rhythm
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Heart rhythm
Heart rhythm (pronunciation: /hɑːrt ˈrɪð.əm/) refers to the coordinated sequence of cardiac muscle contractions that pump blood throughout the body. The heart rhythm is regulated by the electrical conduction system of the heart.
Etymology
The term "heart rhythm" is derived from the Old English "heorte" for heart and the Greek "rhythmos" for measured flow or movement.
Related terms
- Arrhythmia: A condition in which the heart beats with an irregular or abnormal rhythm.
- Bradycardia: A slower than normal heart rate.
- Tachycardia: A faster than normal heart rate.
- Electrocardiogram (ECG): A test that measures the electrical activity of the heart.
- Pacemaker: A small device that's placed in the chest or abdomen to help control abnormal heart rhythms.
- Defibrillator: A device that delivers an electric shock to the heart to restore normal rhythm.
- Cardiac arrest: A sudden loss of heart function.
- Atrial fibrillation: An irregular and often rapid heart rate that can increase your risk of strokes, heart failure and other heart-related complications.
See also
External links
- Medical encyclopedia article on Heart rhythm
- Wikipedia's article - Heart rhythm
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