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#US DOPPLER RADAR SKIN#
During a Doppler ultrasound, a technician trained in ultrasound imaging (sonographer) presses a small hand-held device (transducer), about the size of a bar of soap, against your skin over the area of your body being examined, moving from one area to another as necessary. Doppler Radar National Mosaic - NOAA's National Weather Service National Weather Service Local forecast by 'City, St' Search by city. Narrowing of an artery, such as in your neck (carotid artery stenosis)Ī Doppler ultrasound can estimate how fast blood flows by measuring the rate of change in its pitch (frequency).Decreased blood circulation into your legs (peripheral artery disease).

