Atheroma plaque,Doppler ultrasound

Numéro d’image : 11840244
Atheroma plaque,Doppler ultrasound
Atheroma plaque. Power Doppler ultrasound scan of reduced blood flow (orange) around an atheroma plaque (black) on the wall of the internal carotid artery of a neck. An atheroma plaque is a deposit of fatty material on an artery wall. It can be caused by a high-cholesterol diet,as well as smoking,and increases the risk of a thrombus (clot) forming. Treatment is with drugs or a graft to bypass the affected area. Doppler ultrasound scanning detects moving fluids,such as blood,by the frequency change they cause when reflecting high-frequency sound waves. Power Doppler scans use colour to show the moving fluid,but do not show the direction of the flow
Licence : Droits gérés
Crédit: Science Photo Library / Zephyr
Taille de l’image : 4134 px × 3543 px
Model Release : Non requis
Property Release : Non requis
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