3A Flashcards
What is contrast material used for
Used to better define or delineate a structure
Barium Contrast is used for
GI studies
Agitated fluid/bubbles for contrast in
Ultrasound
Spaecific: cardias tumor ablation
Angiography
X-ray imaging of blood vessels (veins or arteries)
Arteriography
Visualizes the peripheral arteries (leg/arm)
Venography
Visualizes the veins to see blood clots
Arthrography
Visualizes the joint, often the knee or shoulder
Barium sulphate mixture tests used on
Visualizing Esophagus, stomach, small and large intestines
Barium sulfate mixture swallwed for imaging….
Upper GI, small bowell
Barium sulfate mixture introduced through ______ for large bowell
Rectum
What are barium test primarily used to find
Lesions, ulcers and filling defects
What is an x-ray
Ionizing radiation used to visualize the lungs heats and mediastinal structures
CT scan stands for
Computerized tomography
CT scan uses….
A series of x ray images to show organs in cross section
-sometimes uses contrast
Doppler ultrasound used to
Measure blood flow within a vessel
Doppler ultrasound uses _____ sonography
Duplex
Most common reason for Doppler ultrasound
Blockages (stenosis) and blood clots (thrombus)
what happens with water in MRI
Molecules are aligned and then relaxed generating electromagnetic currents
Urography
X-ray recording of the kidney and urinary tract
Intravenous contrast material
Aminocentesis
Procedure to remove some amniotic fluid surrounding a fetus in the pregnancy sac
Biopsy
Removal of a piece of tissue from the body for examination under a microscope
Core biopsy
A surgical knife and needle to aspirate the tissue
Digital rectal exam DRE
A physician insert gloved finger into patients rectum
Thoracentesis
Insertion of a needle into the chest to remove fluid from the space between the lungs and the chest wall (pleural cavity)
