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Fig. 2 | Critical Care

Fig. 2

From: Left ventricular function: time-varying elastance and left ventricular aortic coupling

Fig. 2

For an isolated rabbit trabecular muscle strip, force, expressed as force per area = tension, is plotted against starting length. Passive tension during diastole is plotted as open circles. Normal active tension after electrical stimulation is plotted as closed circles. Contractions following a second rapid electrical stimulation, which increases the calcium concentration at actin/myosin sliding filaments and therefore increases contractility (Potentiated), is plotted as open triangles

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