Abstract
The possibilities of modern echocardiography in the right heart chambers assessment are disclosed. The most novel methods of measurement and standards of sizes of the right heart chambers, parameters of systolic and diastolic function using quantitative three-dimensional echocardiography and myocardial strain are discribed. It was mentioned that echocardiographic estimation of the right heart chambers is of the same great significance as the assesment of the left ones, but is complicated due to anatomic and functional features. It demanded some steps for create and validate the right atrium and ventricle linear and volume parameters, right ventricle systolic and diastolic function and its normal values. So, contemporary echo-protocol would contain right ventricle basal and median sizes, proximal and distal right ventricle outflow tract diameters, right atrium volume index. For assessment of the right ventricle systolic function the combined using of following markers is recommended: fractional area change, tricuspid annulus systolic excursion, systolic myocardial velocity, myocardial performance index. Special technologies of modern ultrasound equipment allows to determine the most effective parameters, such as 3D volumes, 3D ejection fraction and right ventricle global longitudinal strain.
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