| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |
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| JVP | [POMD P 49 - 52] 1) Jugular Vein Pressure 2) Jugular Venous Pulse ... |
| CWD | cell wall defect; continuous-wave Doppler |
| PW | peristaltic wave; plantar wart; posterior wall [of the heart]; pressure wave; psychological warfare;... |
| CFDU | color-flow Doppler ultrasonography; color flow Doppler ultrasound |
| CWD | Continuous Wave Doppler |
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| CW | Continuous Wave |
| ESWL | 2--extracorporeal shock-wave lithotripsy |
| ESSENCE | Efficacy and Safety of Subcutaneous Enoxaparin in Non-Q wave Coronary Events |
| ESWT | Extracorporal Shock-Wave Therapy |
| carotid doppler | <investigation> A noninvasive test which uses high-frequency sounds waves to determine extent of blood flow through the carotid arteries in the neck. Used in the evaluation of stoke and TIA symptoms. (08 Jan 1998) |
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| doppler | The use of an augmented listening device for the purpose of detecting the pulse in an extremity. Use in the evaluation of peripheral (occlusive) vascular disease. (27 Sep 1997) |
| doppler broadening | <radiobiology> Frequency spreading which causes broadening of single-frequency radiation (for example, spectral lines) when the radiating bodies (atoms, molecules, etc.) have different velocities. Radiation from each individual radiating body has a different Doppler shift, and the collection of radiations at different frequencies broadens the peak of the line in an intensity-vs-frequency plot. (09 Oct 1997) |
| Doppler, Christian | <person> Austrian mathematician and physicist in U.S., 1803-1853. See: Doppler echocardiography, Doppler effect, Doppler phenomenon, Doppler shift, Doppler ultrasonography. (05 Mar 2000) |
| Doppler colour flow | A computer-generated colour image produced by Doppler ultrasonography in which different directions of flow are represented by different hues. This technique is typically used to examine blood flow when evaluating heart disease. Where obstructions (for instance, arterial plaques) exist, blood flow will alter according to the principles of fluid mechanics. Eddies and reversals are readily apparent on the colour image. See: Doppler ultrasonography. (05 Mar 2000) |
| Doppler echocardiography | Use of Doppler ultrasonography techniques to augment two-dimensional echocardiography by allowing velocities to be registered within the echocardiographic image. See: duplex ultrasonography, Doppler ultrasonography. Synonym: duplex echocardiography. (05 Mar 2000) |
| doppler effect | <radiobiology> Variation in the frequency of a wave (as measured by an observer) due to relative motion between the observer and the source of the wave. (The observed frequency increases if the source is moving towards the observer and vice versa.) The equation can be found in most optics texts and many introductory physics texts. (09 Oct 1997) |
| Doppler phenomenon | <radiobiology> Variation in the frequency of a wave (as measured by an observer) due to relative motion between the observer and the source of the wave. (The observed frequency increases if the source is moving towards the observer and vice versa.) The equation can be found in most optics texts and many introductory physics texts. (09 Oct 1997) |
| doppler shift | <radiobiology> The amount of change in the observed frequency of a wave due to the Doppler effect, sometimes called the Doppler frequency. (09 Oct 1997) |
| Doppler ultrasonography | Application of the Doppler effect in ultrasound to detect movement of scatterers (usually red blood cells) by the analysis of the change in frequency of the returning echoes.In many instances, ultrasound has supplanted x-radiography as the imaging method of choice, because it poses no risk to patients, is noninvasive, and of moderate cost. Doppler-corrected ultrasound enables real-time viewing of tissues, blood flow, and organs that cannot be obtained by any other method. It has proved a boon to cardiology, greatly aiding evaluations of cardiovascular patients, and to obstetrics, where it is used for foetal monitoring. (05 Mar 2000) |
| duplex Doppler scan | A method of visualizing and selectively assessing the flow patterns of peripheral arteries and veins using ultrasound imaging and pulsed Doppler. (05 Mar 2000) |
| echocardiography, doppler | Measurement of intracardiac blood flow using an m-mode and/or two-dimensional (2-d) echocardiogram while simultaneously recording the spectrum of the audible doppler signal (e.g., velocity, direction, amplitude, intensity, timing) reflected from the moving column of red blood cells. (12 Dec 1998) |
| echocardiography, doppler, colour | Echocardiography applying the doppler effect, with the superposition of flow information as colours on a gray scale in a real-time image. (12 Dec 1998) |
| echocardiography, doppler, pulsed | Echocardiography applying the doppler effect, with velocity detection combined with range discrimination. Short bursts of ultrasound are transmitted at regular intervals and the echoes are demodulated as they return. (12 Dec 1998) |
| ultrasonography, doppler | Ultrasonography applying the doppler effect, with frequency-shifted ultrasound reflections produced by moving targets (usually red blood cells) in the bloodstream along the ultrasound axis in direct proportion to the velocity of movement of the targets, to determine both direction and velocity of blood flow. (12 Dec 1998) |
| continuous wave Doppler u. |
Doppler ultrasonography using two transducers, with one continually transmitting and the other continually recording the ultrasonic waves. It is used to record signals with very high velocities, such as occur in severely stenotic valves, but cannot provide spatial resolution of the signals. Cf. pulsed wave Doppler u.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| continuous wave Doppler ultrasound |
A Doppler ultrasound that uses two transducers: one that transmits an uninterrupted series of sound waves and another that constantly receives echoes from the tissues being examined. It is used, e.g., to study
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