Abstract
The development of two-dimensional echocardiography represented a major advance in non-invasive imaging of the heart. In regard to the evaluation of the left ventricle, this technique enabled one to determine the size of the left ventricular cavity at end-diastole and end-systole which provided a measure of stroke volume and permitted estimation of left ventricular ejection fraction. Two-dimensional echocardiography also enabled assessment of the thickness of the walls of the heart and the change in wall thickness from diastole to systole. Assessment of regional wall thickening and segmental wall motion made echocardiography the non-invasive study of choice for the evaluation of patients with coronary artery disease. A limitation of echocardiography results from the fact that physical characteristics of many patients preclude generation of images that are of sufficiently high quality to permit complete assessment of regional and global left ventricular function. This is most important in the assessment of ischemic heart disease, wherein incomplete echocardiograms are observed in up to 36% of patients [1]. This restriction has prompted the development of echo-cardiographic contrast agents as a means of enhancing the diagnostic capabilities of clinical two-dimensional echocardiograms.
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Raichlen, J.S., Nanda, N.C. (1997). Contrast color flow Doppler evaluation of the left ventricle. In: Nanda, N.C., Schlief, R., Goldberg, B.B. (eds) Advances in Echo Imaging Using Contrast Enhancement. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5704-9_21
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DOI: https://doi.org/10.1007/978-94-011-5704-9_21
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