Category: W
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Weak dominance
In health care management a strategy that provides a more effective but also a more costly solution to a problem than an alternative.
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Waxing-up
In dentistry, the shaping of wax around the contours of a trial denture or cast restoration.
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Waveform
The shape or the representation of a signal, e.g., in cardiology, the shape of the electrical shock used in cardioversion or defibrillation. Measurement of the distance between two wavelengths. When exploring the nature of waves, one fundamental aspect to consider is their shape. This shape, often referred to as the waveform, depicts the graphical representation…
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Wave
A disturbance, usually orderly and predictable, observed as a moving ridge with a definable frequency and amplitude.
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Wattage
The electrical energy produced or consumed by an electrical device, expressed in watts.
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Watson-Schwartz test
A test used in acute porphyria to differentiate porphobilinogen from urobilinogen.
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Water syringe
In dentistry, a syringe for delivering water spray to a localized area. The flow, pressure, and temperature are controlled.
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Watershed
A tissue that receives minimal blood flow because of its position at the smallest branches of an artery. This tissue may infarct when blood pressures drop, e.g., when patients are in shock and the distant reaches of small blood vessels do not receive an adequate supply of blood.
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Watermelon stomach
A colloquial term for the pathological changes in the stomach that occur in patients with progressive systemic sclerosis. The disease affects the stomach by causing vascular ectasia in the antrum.
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Water of crystallization
The water that is chemically bonded to a compound.