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15 Cards in this Set
- Front
- Back
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The tricuspid valve
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prevents backflow of blood from the right ventricle into the right atrium
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T WAVE
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Indicates ventricular repolarization
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Q-T interval
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Represents the time from the beginning of ventricular depolarization to the end
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P WAVE
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Represents atrial depolarization
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S-T segment
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Represents the time when the ventricular contractile fibers are fully depolarized; occurs during the plateau phase of the action potential
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QRS Complex
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Represents the onset of ventricular depolarization
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P-Q Interval
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Represents the conduction time from the beginning of atrial excitation to the beginning of ventricular excitation
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Cardiac Reserve
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The difference between a persons maximum cardiac output and cardiac output at rest
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Stroke Volume
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The amount of blood ejected per beat by each ventricle
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End-diastolic volume(EDV)
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The amount of blood contained in the ventricles at the end of ventricular relaxation
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Isovolumetric Relaxation
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The period when all four valves are closed and ventricular blood volume does not change
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End-systolic volume(ESV)
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The amount of blood remaining in the ventricles following ventricular contraction
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Ventricular Ejection
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The period of time when the SL valves are open and blood flows out of the inferior chambers
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Isovolumetric contraction
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The period when all four valves are closed and ventricular blood volume does not change
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Interclated Discs
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The gap junction and desmosome connections between individual cardiac muscle fibers
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