A Geometric Method of Measuring the Left Ventricular Ejection Fraction on Gated Tc-99m Sestamibi Myocardial Imaging
- 1 June 1996
- journal article
- Published by Wolters Kluwer Health in Clinical Nuclear Medicine
- Vol. 21 (6) , 439-444
- https://doi.org/10.1097/00003072-199606000-00001
Abstract
Geometric measurements of the left ventricular diameters as used in biplane angiocardiography and echocardiography were applied to gated SPECT Tc-99m sestamibi myocardial scintigrams in order to calculate the left ventricular ejection fraction. These measurements take no longer than 5 minutes and require no additional computer software. In a review of 79 examinations, the left ventricular ejection fraction calculated using these measurements correlated well with the echocardiographically estimated ejection fraction (r = 0.78, P < 0.0001). The technique is highly reproducible with an intraobserver correlation of r = 0.94 and interobserver correlation of r = 0.93.Keywords
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