Radiation Sciences- Cardiovascular Imaging and Ultrasound

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CVI and Ultrasound

interface

term for place where two tissue types meet, such as kidneys and fat

interventional

type of angiographic procedure that involves treatment

guidewire

wire inserted into catheter during angiography to allow catheter to be moved into position

stent

mesh tube placed inside vessek after angioplasty to help keep it open

anechoic

appears black on ultrasound image

catheter

long, thin, flexible tube used in angiography

aneurysm

abnormal ballooning of blood vessel

stenosis

narrowing of blood vessel

gel

material placed between patient's skin and transducer

transducer

ultrasound device that sends and receives sound waves

digital subtraction

imaging technique in angiography that electronically removed bone and soft tissue structures from images

sonography

another name for ultrasound imaging

piezoelectric

this effect explains how the transducer can both create and detect the ultrasonic beam

angiography

general term for radiographic exam of blood vessels

angioplasty

interventional technique for non-surgical opening up stenotic vessel

ECG

record of the heart's electrical activity

sterile

angio procedures are done under these conditions

anteriovenous malformation (AVM)

overgrown tangle of blood vessels

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