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15 Cards in this Set
- Front
- Back
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On the ventricular PV curve, what point is "End systolic volume"?
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at the end of curve III
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what is normal left atrial pressure?
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1-5 mmHg
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Oxygen consumption is nearly proportional to _________
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the Tension that is created times the duration of the contraction (tension-time index)
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Main energy source of heart?
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fatty acids
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When systolic pressure in high, tension is high and more _____ is consumed.
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oxygen
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When the ventricle is dilated more oxygen is also consumed because the tension during contraction is related to ___________
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the diameter of the ventricle time the pressure
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Minute work output = ?
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stroke work output times the heart rate.
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The maximal efficiency of the normal heart is _______
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20 to 25% with this value falling during heart failure.
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In EKG: the atrial wave
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P
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In EKG: the ventricular depolarization
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QRS wave
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In EKG: the ventricular repolarization wave?
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T wave
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When is the incisura dip in the aortic pressure curve?
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aortic vale closure
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"a" of the atrial pressure curve (a,c,v)
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atrial contraction
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"c" peak of atrial pressure curve
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caused by ventricle contraction interuppted by aortic valve opening
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"v" peak in atrial pressure curve
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slow rise of "v" curve is interupted by A-V valve opening
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