Abstract
Contrast echocardiography has evolved rapidly, due to major recent advances in both contrast agent development and ultrasound equipment technology. Transpulmonary passage of intravenously administered contrast agents and resultant left ventricular opacification has been demonstrated in humans [1, 2]. Newer agents, containing various stabilizing gases, produce both left ventricular and myocardial opacification after intravenous injection in animal models during normal and altered perfusion states [3–9]. Experimental human studies indicate similar findings [10, 11], suggesting enormous potential for the clinical application of these new agents. However, the myocardial contrast effect is variably detected when imaged with standard commercially available ultrasound equipment, and if higher doses are utilized to improve detectability, attenuation from within the ventricles frequently interferes with complete visualization of the myocardium.
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Villarraga, H.R., Foley, D.A., Chung, S.M., Nanda, N.C., Mulvagh, S.L. (1997). Harmonic imaging during contrast echocardiography: basic principles and potential clinical value. 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_28
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DOI: https://doi.org/10.1007/978-94-011-5704-9_28
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-6405-7
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