Why the study?
Does M-mode echocardiography accurately measure posterior left ventricular wall thickness compared to direct anatomical measurement?
Does M-mode echocardiography accurately measure posterior left ventricular wall thickness compared to direct anatomical measurement?
M-mode echocardiography provides an accurate assessment of posterior left ventricular wall thickness that closely correlates with direct anatomical measurements.
M-mode echocardiography may accurately assess posterior LV wall thickness; leaves open prospective validation before changing practice.
A comparison of direct measurement and M-mode echocardiography in the determination of posterior left ventricular wall thickness was performed in 26 subjects, of whom 21 underwent cardiac bypass surgery; the remainder came to necropsy. 2. In the surgical group a close correlation was demonstrated between direct measurement of posterior wall thickness and the echocardiographic end-diastolic dimension (r = 0.76, P less than 0.001). 3. The necropsy measurement of posterior wall thickness correlated with the echocardiographic end-systolic dimension (r = 0.99, P less than 0.001). 4. These findings confirm that the echocardiographic measurement of posterior wall thickness accurately reflects the anatomical dimension.
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Larkin et al. (1979) studied this question.
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