Why the study?
Does transthoracic 2-dimensional digital echo quantification accurately track continuous left ventricular volumes compared to conductance catheter measurements in patients with cardiac diseases?
Does transthoracic 2-dimensional digital echo quantification accurately track continuous left ventricular volumes compared to conductance catheter measurements in patients with cardiac diseases?
Automated border detection by digital echo quantification is reliable for noninvasive continuous tracking of LV volumes at steady state, but has limitations during preload reduction maneuvers.
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Supports DEQ for noninvasive LV volume tracking at rest in cardiac disease; leaves open validation during dynamic maneuvers.
Chen et al. (1997) studied this question.
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