Key result
Displacement cardiograph detects LV wall motion abnormalities with ~96% accuracy versus left ventriculography.
Why the study?
Does the displacement cardiograph reliably detect abnormal left ventricular wall motion compared to left ventriculography in patients undergoing cardiac catheterization?
Population
70 patients who underwent cardiac catheterization and left ventriculography
Comparison
Displacement cardiograph (DCG) vs Left ventriculography
Design
Cross-sectional
Authors
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Supports noninvasive LV wall motion assessment in catheterized patients; leaves open need for prospective validation before wider use.
Cross-Sectional (n=70)
Does the displacement cardiograph reliably detect abnormal left ventricular wall motion compared to left ventriculography in patients undergoing cardiac catheterization?
The displacement cardiograph provides a reliable noninvasive method for assessing left ventricular wall contraction patterns.
Gay et al. (1976) conducted a cross-sectional in Abnormal left ventricular wall motion (n=70). Displacement cardiograph (DCG) vs. Left ventriculography was evaluated on Agreement in detecting regional areas of abnormal left ventricular wall motion. The displacement cardiograph correctly identified left ventricular wall motion abnormalities in 67 of 70 patients compared to left ventriculography, with 2 false positives and 1 false negative.
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