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Heart rate
While heart rhythm is regulated entirely by the sinoatrial node under normal conditions, ... . The cardiac centers monitor baroreceptor firing to maintain cardiac ... |
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Electrical System - Heart Rhythm Society
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The Heartbeat - RCN
The ventricles can maintain a beat even without a functioning A-V node, although the ... Although the A-V node sets the basic rhythm of the heart, the rate and ... |
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sudden sinking feeling in chest.? |
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How the Heart Works: Healthwise Medical Information on ...
How does my heart maintain its normal function? ... The electrical system keeps your heart beating in a regular rhythm and adjusts the rate at which it beats. |
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Understanding Rhythms - Arrhythmia.org
More than 2 million people in the United States have atrial fibrillation (AF), making it a very common heart rhythm disorder. In AF, the top chambers (atria) quiver ... |
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The Cardiac Cycle - Boundless
The heart's internal pacemaker regulates and times the beating of the heart via ... rhythmic contraction of the heart, by which blood is driven through the arteries ... |
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The Heart - SBCC Biological Sciences Department
Papillary muscle contract in synchrony with the ventricles, thus maintaining ... . The rhythmic beating of the heart is controlled by a small group of cells in the wall ... |
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HSC Online - Medical Technology - Bionics: 2. The heart
The regular beating of the heart and continuity of the flow of blood through the heart and around the body is needed to maintain good health. Students ... discuss the problems that can result from interruptions to the normal rhythm of theheart |
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Heartbeat and Heart Contraction Coordination - Video & Lesson ...
In other words, what's controlling the beating of the heart? ... up and slow down, but in this lesson we'll focus on the rhythmic internal control of the heartbeat. |
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Electrical System of the Heart-Topic Overview - WebMD
Heart rhythm, which is the synchronized pumping action of your four heart chambers.Your heart's electrical system should maintain:A steady heart rate of 60 to ... |