Comparison between the effect of postextrasystolic potentiation and the effect of nitrates on left ventricular function for the differentiation between reversible and irreversible left ventricular asynergy
Abstract:In patients with coronary heart disease (CHD) it is important to differentiate between reversible and irreversible left ventricular (LV) asynergy. Therefore global and regional LV function was investigated in the postextrasystolic beat (PES) and after isosorbide dinitrate (ISDN). In 24 patients LV angiograms were performed before and after ISDN. The ejection fraction (EF) was determined in a sinus beat and in PES. Regional LV performance was measured by the shortening of the length axis and six short hemiaxes.… Show more
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