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Figure 4 Evolution of left ventricular pressure and volume. (A) Pressure measurements. Circles = end-systolic pressure (ESP); squares = end-diastolic pressure (EDP). (B) Volume measurements. Solid circles = end-diastolic volume (EDV); squares = end-systolic volume (ESV); open circles = control group; solid circles = infected group. *p < 0.05; **p < 0.01 versus control. n = 5 in each measurement.