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Figure 1 Hemodynamic responses during the Speech test in the 82 patients who experienced ischemia during routine daily activities and the 189 patients without ambulatory electrocardiographic ischemia. For each hemodynamic variable the values are shown for patients who experienced daily life ischemia (Y) and those who did not (N). The open area of each bar represents the value at rest and the dark area of each bar represents the change during the mental stress. BP = blood pressure (mm Hg); CO = cardiac output (liters/min); EF = ejection fraction (%); HR = heart rate (bpm); SV = stroke volume (ml/beat); SVR = systemic vascular resistance (dyn/s/cm3). P values <0.10 are reported; p values  0.10 are noted as pNS.
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