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Ultrasonography - Ultrasonography produces images of internal organs and other tissues by using high-frequency sound (ultrasound) waves. A transducer is a device that converts electrical current into sound waves and sends them into the body's tissues. Diagnostic ultrasound, commonly known as sonography or diagnostic medical sonography, is an imaging technique that produces images of inside body structures using high-frequency sound waves. The images can aid in the diagnosis and treatment of a wide range of diseases and ailments.
Doppler studies - A Doppler ultrasound is a noninvasive diagnostic that uses high-frequency sound waves (ultrasound) to measure blood flow via your blood arteries by bouncing them off circulating red blood cells. By monitoring the rate of change in pitch, a Doppler ultrasound can measure how fast blood flows (frequency).Many problems can be diagnosed using a Doppler ultrasonography, including:
- Clots in the blood
Valves in leg veins that aren't working properly, causing blood or other fluids to pool in legs (venous insufficiency)
Congenital heart disease and heart valve defects
An artery that is clogged (arterial occlusion)
Blood circulation in the legs is slowed (peripheral artery disease)
Arteries that are swollen (aneurysms)
Aortic constriction, such as in the neck (carotid artery stenosis)
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