Physics of Fluoroscopy
Physics of Fluoroscopy
Physics of Fluoroscopy
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Producing X-raysX-rays are produced by colliding electrons into a metal targetin an evacuated X-ray tube.Electrons are produced by passing a current through afilament, heating the filament, resulting in electron emission.The electrons are accelerated towards a metal target anodeby the application <strong>of</strong> a potential difference typically 40 – 120kV for cardiac imaging.Anode+ -e -X-ray photonsCathodeFilament coil& focussing cup
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