A Doppler test is a non-invasive medical test that's used to see how blood flows through major arteries. Abnormal results on a...
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A light-emitting diode (LED) is a semiconductor device that emits light when an electric current flows through it. Based on the semiconductor material used and the amount of doping, an LED will emit a coloured light at a particular spectral wavelength wh
If you have an anterior placenta, your doctor may find it difficult to detect your child’s heartbeat using a Doppler. The child’s movement. Under normal circumstances, you can feel your baby’s kicks in your womb roughly 18 weeks into the pregnancy. With an anterior placenta, you may...
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An ultrasound probe, also known as a transducer, is a medical diagnostic device that emits ultrasound waves into a patient's body and transmits data to a computer to produce an internal image of the body, known as a sonogram. Ultrasound waves bounce off of tissue masses and boundaries in ...
The Doppler effect is a phenomenon of wave propagation, which you probably experience to some degree every day. In particular, it’s likely that the more time you spend around motor vehicles, the more you naturally experience the Doppler effect. This is because high-speed movement, particularly...
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Blood tests may be done to check for infection and test how fast your blood clots. Doppler ultrasound uses sound waves to check for blood clots or damage to your vein.How is STP treated?Treatment may not be needed. STP usually goes away on its own. You may need any of the following ...
A gauge or gage, in science and engineering, is a device used to make measurements or in order to display certain dimensional information. A wide variety of tools exist which serve such functions, ranging from simple pieces of material against which sizes can be measured to complex pieces of ...