| PD | Doctor of Pharmacy; Dublin Pharmacopoeia; interpupillary distance; Paget disease; pancreatic duct; p... |
|---|---|
| DDU | dermo-distortive urticaria; duplex Doppler ultrasound |
| DS | dead air space; dead space; deep sedative; deep sleep; defined substrate; dehydroepiandrosterone sul... |
| PD-CSE | pulsed Doppler cross-sectional echocardiography |
| PDE | paroxysmal dyspnea on exertion; phosphodiester; progressive dialysis encephalopathy; pulsed Doppler ... |
| PD | Pulsed Doppler |
|---|---|
| PDE | Pulsed Doppler Echocardiography |
| CCDS | Colour coded duplex sonography |
| D-S | Duplex Scanning |
| DU | Duplex ultrasonography |
| 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) |
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| ultrasonography, doppler, pulsed | Ultrasonography 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) |
| 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) |
| ultrasonography, doppler, duplex | Ultrasonography applying the doppler effect combined with real-time imaging. The real-time image is created by rapid movement of the ultrasound beam. A powerful advantage of this technique is the ability to estimate the velocity of flow from the doppler shift frequency. (12 Dec 1998) |
| pulsed-field gel electrophoresis | Gel electrophoresis in which, after electrophoretic migration has begun, the current is briefly stopped and reapplied in a different orientation; allows for the purification of long DNA molecules. Synonym: pulsed-field gel electrophoresis. (05 Mar 2000) |
| pulsed power | <radiobiology> The technology of using electrical energy stores for producing multi-terawatt (10^12 Watts or higher) pulses of electrical power for inertial confinement fusion, nuclear weapon effects simulation, and directed energy weapons. High efficiency and cost effectiveness make it desirable technology for large energy experiments. (09 Oct 1997) |
| electrophoresis, gel, pulsed-field | Electrophoresis in which the direction of the electric field is changed periodically. This technique is similar to other electrophoretic methods normally used to separate double-stranded DNA molecules ranging in size up to tens of thousands of base-pairs. However, by alternating the electric field direction one is able to separate DNA molecules up to several million base-pairs in length. (12 Dec 1998) |
| carotid duplex | <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) |
| placenta duplex | A placenta consisting of two parts, almost entirely detached, being united only at the point of attachment of the cord. See: placenta biloba. Synonym: placenta dimidiata. (05 Mar 2000) |
| pulsus duplex | A pulse which is marked by a double beat, the second, due to a palpable dicrotic wave, being weaker than the first. Synonym: pulsus duplex. (05 Mar 2000) |
| DNA duplex | <molecular biology> The double-stranded DNA molecule, which has a double helix (usually right-handed) structure. (09 Oct 1997) |
| duplex | Duplex escapement, a peculiar kind of watch escapement, in which the scape-wheel has two sets of teeth. Duplex lathe, one for turning off, screwing, and surfacing, by means of two cutting tools, on opposite sides of the piece operated upon. Duplex pumping engine, a steam pump in which two steam cylinders are placed side by side, one operating the valves of the other. Duplex querela; Latin; double complaint. A complaint in the nature of an appeal from the ordinary to his immediate superior, as from a bishop to an archbishop. Duplex telegraphy, a system of telegraphy for sending two messages over the same wire simultaneously. Duplex watch, one with a duplex escapement. Alternative forms: double, twofold. Origin: L, fr. Duo two + plicare to fold. Source: Websters Dictionary (01 Mar 1998) |
| duplex 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) |
| duplex kidney | A kidney in which two pelviocaliceal systems are present. (05 Mar 2000) |
| duplex transmission | The passage of impulses in both directions through a nerve trunk. (05 Mar 2000) |
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