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15 Cards in this Set
- Front
- Back
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This is a single beat caused by a premature contraction of electrical activity other than/outside the SA node?
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ectopic focus
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When the heart rate drops below 60 bmp and regular, but follows rules of NSR is called?
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Sinus Bradycardia
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When the heart rate is greater than a 100bmp, and follows rules of NSR is called?
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Sinus Tachycardia
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Where is the SA node located?
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In the upper portion of the right atrium.
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This means the ability of the heart cells to rec'v and transmit and electrical impulse?
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Conductivity
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The ability of the heart muscle cells to respond to an impulse or stimulus?
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Excitability
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The ability of the heart muscle cells to shorten in response to electrical stimulus is called?
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Contractility
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When the heart contracts & squeezing blood out to body is called?
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Systole
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Whent the heart relaxes, it is expanding & refilling is called?
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Diastole
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What side of the heart pumps Oxygenated blood to the body tissues?
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Left side
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What side of the heart pumps deoxygenated blood to the lungs?
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Right side
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What are the top chambers of the heart called?
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Right & Left atrium.
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What are the lower chambers of the heart called?
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Right & Left ventricle. Left V is known as the "workhorse of the heart" because of its thick myocardium & powerful contraction.
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What valve is located between the r atrium and R ventricle?
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Tricuspid valve
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What valve is located between the L atrium and L ventrical?
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Mitral (bicuspid) valve
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