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10 Cards in this Set
- Front
- Back
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Bachman's bundle fiber type?
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inter-atrial fibers
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fibers that go from SA to AV nodes?
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intra-nodal fibers
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A-V bundle aka
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Bundle of His
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resting membrane potential of cardiac muscle
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-85 to -95 mV
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action potential of cardiac muscle?
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105mV
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Plateau time in ventricular muscle?
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0.2-0.3 sec
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3 phases of ventricular filling
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rapid, diastasis, atrial contraction (1/3s of diastole)
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2 phases of ventricular ejection
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rapid (1st third of ejection),
slow (2nd two thirds of ejection) |
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effect of increased afterload on ventricle PV curve
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increased ejection pressure and increased volume of isovolumetric relaxation
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effect of increased contractility on ventricle PV curve
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increased ejection pressure an decreased volume of isovolumetric relaxation
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