- pulsed wave Doppler echocardiography
- echocardiography employing pulsed wave Doppler ultrasonography to record the flow of blood through the cardiovascular system.
Medical dictionary. 2011.
Medical dictionary. 2011.
Doppler ultrasonography — ultrasonography in which the shifts in frequency between emitted ultrasonic waves and their echoes are used to measure the velocities of moving objects, based on the principle of the Doppler effect. The waves may be continuous or pulsed; the… … Medical dictionary
Echocardiography — An echocardiogram is a sonography of the heart. Also known as a cardiac ultrasound, it uses standard ultrasound techniques to image two dimensional slices of the heart. The latest ultrasound systems now employ 3D real time imaging.In addition to… … Wikipedia
Aortic valve area calculation — is an indirect method of determining the area of the aortic valve. The calculated aortic valve orifice area is currently one of the measures for evaluating the severity of aortic stenosis. A valve area of less than 0.8 cm² is considered to be… … Wikipedia
Medical ultrasonography — This article is about using ultrasound to image the human body. For imaging of animals in research, see Preclinical imaging. Sonography redirects here. For the tactile alphabet called sonography , see Night writing. Medical ultrasonography… … Wikipedia
Tomography — Basic principle of tomography: superposition free tomographic cross sections S1 and S2 compared with the projected image P Tomography refers to imaging by sections or sectioning, through the use of any kind of penetrating wave. A device used in… … Wikipedia