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5 Cards in this Set
- Front
- Back
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what is the cardiac conduction system comprised of? |
the sinoatrial node (SA) and the atrioventricular node (AV) |
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what is the function of each cardiac myocyte? |
depolarizes and propagates electrical pulses from cell to cell (heart) |
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Does a cardiac myocyte require nerve stimulation?
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functions without electrical stimulation; has an intrinsic ability to depolarize |
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What is the SA node and how does it function? |
the sinoatrial node is the normal pacemaker of the heart Specialized conjunction tracts conduct the cardiac impulse from the SA node |
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Where does the cardiac impulse travel? |
Between the SA node to the AV node and the atrial musculature |
