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Adv. Mods Unit I

angiography, interventional

What is angiography? radiographic examination of vessels following injection of positive contrast media
What arteries deliver blood to the heart muscle? coronary
List the 3 major branches of arteries arising from the arch of the aorta that supply the brain with blood. 1) brachiocephalic 2) L common carotid 3) L subclavian
T/F: the level for bifurcation of the commmon carotid artery into the internal and external carotid arteries is at the level of C4-5. true
What is the name of the S-shaped portion of the internal carotid artery near the petrous portion of the temporal bone? carotid siphon
List the two end branches of the internal carotid artery. 1) anterior cerebral 2) middle cerebral
Which vessel carries deoxygenated blood to the lungs? pulmonary artery
Which vessel carries oxygenated blood back to the L atrium of the heart? pulmonary vein
Which part of the brain does the middle cerebral circulate blood to? posterior brain
What vessel do the two vertebral arteries unite to form? basilar artery
At what approximate level does the descending aorta pass through the diaphragm to become the abdominal aorta? T12
The vein most commonly used to draw blood at the elbow is the what vessel? medial cubital
A common method or technique of introducing a needle and/or catheter into the blood vessel for angiographic procedures is called what? seldinger technique
What are some common risks of an angiograph? 1)embolus formation 2)dissection of a vessel 3)contrast media reaction
Which vessel is preferred for arterial vessel access for the majority of angiographic procedures? femoral artery
What type of contrast is used for most angiographic procedures? water-soluble; non-ionic
Generally where is the femoral artery punctured during an arterial catherization procedure? just inferior to the inguinal ligament
What is the purpose of the heating device on an electromechanical injector? 1)warms & maintains the contrast medium @ body temp. 2) reduces the viscosity of the contrast
Which vessel is most often catheterized for a pulmonary angiogram? femoral vein
What type of catheter is often used to retrieve urethral stones? ureteral stone baskets
What is the name of the vertebroplasty procedure to restore the collapsed portion of a vertebral body? kyphoplasty
What is the interventional procedure for dissolving a blood clot? thrombolysis
What procedure serves as a palliative measure for colonic structures due to inoperable neoplastic disease? enteric stenting
What two arteries deliver blood to the heart muscle? R & L coronary arteries
T/F: the right common carotid branches off of the brachiocephalic rather than the aortic arch. true
The basilar artery rests upon the clivus of the _______bone. sphenoid
T/F: the right subclavian artery arises directly from the aortic arch. false; the L subclavian does
T/F: The cephalic vein is most commonly used for venipuncture. false; medial cubital is most common
What factors affect the injection flow rate of an automatic electromechanical injector? vessel size; viscosity of contrast; catheter length; catheter diameter; injection pressure; heating device; high pressure mechanism; control panel
What is the pathology when there is narrowing of the vessels? vascular stenosis
What is the difference between a thrombus and an embolus? embolus= free floating blood clot thrombus= blood clot attached inside vessel wall
What are the four major arteries that supply blood to the brain? *R common carotid *R vertebral *L common carotid *L vertebral
What part of the body do the vertebral arteries supply blood to? posterior circulation of the brain
What is another name for the Circle of Willis? Arterial Circle
What is the difference between an arteriography and an angiocardiography? *arteriography= imaging of the arteries *angiocardiography= imaging of heart and associated structures
What vessels are considered for catheterization? *femoral *axillary *brachial *radial
What acts as a pipeline for transporting the contrast agent from an external source to a location within the body? angiographic catheters
How many millimeters to a French? 1mm= 3 French
What does a digitally subtracted image represent? it takes away bone; removes all anatomy but the vessels of interest
When viscosity decreases; does this mean thicker or thinner? thinner
What are some advantages to interventional procedures? *less invasive & lower risk than traditional surgery *less cost *shorter hospital stay/recovery time *alternative for nonsurgical canidates
What happens in embolization procedures? uses angiographic approach to create embolus in a vessel to restrict blood flow.
What is the interventional procedure when the goal is to reopen the lumen in a vessel and generally uses a double-lumen balloon-tipped catheter? percutaneous transluminal angioplasty
What is a cagelike device that is placed in the lumen of a vessel to provide support? stent
What interventional procedure prevents pulmonary embolism that is usually caused by deep vein thrombosis? inferior vena cava filters
When putting in a inferior vena cava filter what vessel is used to have this in place? jugular or femoral vein
What interventional procedure creates an artifical passageway for portal venous circulation? transjugular intrahepatic portosystemic shunt (TIPS)
During angiocardiography, the catheter is advanced from the aorta into what? L ventricle of the heart
The most common vascular approach during pulmonary arteriography is what vessel? femoral vein
What is a device to extract urethral stones? basket or loop
What is interventional procedure that involves intravascular administration of drugs? infusion therapy
What is the procedure to dissolve blood clots? thrombolysis
What is the technique to restrict uncontrolled hemorrhage snare catheter? embolization
What is the technique to decompress obstructed bile duct gastrostomy? percutaneous into biliary drainage
What is direct puncture and catheterization of the renal pelvis? nephrostomy
What is the placement of an extended feeding tube into the stomach? percutaneous
Created by: mokapis