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Cardiovascular physiology

cardiovascular-physiology

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Preload is equivalent to

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Afterload is equivalent to

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Match the terms to their definitions

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Inotrope
Chronotrope
Lusitropy
Cardiac output =
Stroke volume is affected by
Frank Starling mechanism

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The fact that contractility changes in responses changes in venous return and EDV
Relating to contractility
Relating to rate of relaxation
HR x SV
Preload, afterload, contractility
Relating to heart rate

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There are 3 factors that affect stroke volume. These are:

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The main determinant is

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Stimulation from the

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nervous system causes release of

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and

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which bind to

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receptors and shift the Frank-Starling curve

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.The greater the preload, the more the myocardium is

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,so the length of the

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increases and the tension also increases. The space between the thick and thin filaments

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allowing better formation of

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and and increased sensitivity of

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to Ca2+

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