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U3 Interven/nuc med

SJC Adv Med Img Sem 4 Unit 3

Aneurysm An aneurysm is a localized dilation of an artery that most commonly involves the aorta, especially its abdominal portion.
Angiography Angiography is a general term that describes the radiologic examination of vascular structures within the body after the introduction of an iodinated contrast media or gas.
Arteriography Visceral and peripheral angiography procedures can be categorized generally as either arteriography or venography. — OR — Radiologic examination of arteries after injection of a radiopaque contrast medium.
Arteriosclerotic Indicative of a general pathologic condition characterized by thickening and hardening of arterial walls, leading to general loss of elasticity.
Arteriotomy Surgical opening of an artery.
Atherectomy Excision of atherosclerotic plaque.
Biliary Stent Wire mesh or plastic conduit placed to maintain flow.
CIT tech (cardiovascular and interventional technologist) Technologists specializing in angiographic and interventional procedures.
Claudication Cramping of the leg muscles after physical exertion because of chronically inadequate blood supply.
Endarterectomy Surgical operation to “clean out” artery (plaque) and restore normal bloodflow.
Embolization Transcatheter embolization involves the therapeutic introduction of various substances to occlude or drastically reduce blood flow within a vessel
Embolus Foreign material, often thrombus, that detaches and moves freely in the bloodstream. - STOPS BlOOD FLOW -
French size Measurement of catheter sizes; 1 French = 0.33 mm; abbreviated Fr.
Gastrostomy tubes through an opening (ostomy) into the stomach (gastro) to supplement nutrition. For long term feeding
Gianturco wool coil (embolizer) stops bloodflow
Guidewire Tightly wound metallic wire over which angiographic catheters are placed.
Hematoma Collection of extravasated blood in an organ or a tissue space.
Intervention Therapeutic modality—mechanical or pharmacologic—used to modify the course of a disease process.
Ischemic Indicative of a local decrease of blood supply to myocardial tissue associated with temporary obstruction of a coronary vessel, typically as a result of thrombus (blood clot).
IVC filter Filters that are designed as a conical shape to trap clots in the central lumen. They are also designed to be placed in vena cavae ranging up to 20 to 30 mm in diameter.
Occlusion Obstruction or closure of a vessel, such as a coronary vessel, as a result of foreign material, thrombus, or spasm.
Patency State of being open or unobstructed.
Percutenous transluminal angioplasty (PTA) Surgical correction of a vessel from within the vessel using catheter technology.
Percutaneous transluminal coronary rotational atherectomy (PTCRA) Manipulative interventional procedure involving a device called a Rotablator to remove atherosclerotic plaque from within the coronary artery using a high-speed rotational burr.
Repurfusion Reestablishment of blood flow to the heart muscle through a previously occluded artery.
Restenosis Narrowing or constriction of a vessel, orifice, or other type of passageway after interventional correction of primary condition.
Stent Wire mesh or plastic conduit placed to maintain flow.
Thrombolytic Capable of causing the breakup of a thrombus.
Thrombosis Formation or existence of a blood clot.
Nuclear medicine radionuclides emit _____________ radiation. Gamma
What are the two components of nuclear medicine radiation? Radionuclide & Tracer/radiopharmaceutical
Tracer will ________________ tag the organ - localizes or participates in the function of a given organ.
A radionuclide is tagged to a ___________________. Tracer/radiopharmaceutical
Half-life of I 123-- 13.3 hours
Half-life of TC 99 m--- 6 hours
Gamma cameras have ______________crystals in the scintillators sodium iodide
Radioisotopes to know: I -123 -- thyroid function
Radioisotopes to know: I -131- - thyroid therapy - hyperthyroidism
Radioisotopes to know: TC 99 m Most common nuclear medicine radionuclide used
Radioisotopes to know: TC 99 m: DTPA for brain
Radioisotopes to know: TC 99 m: Mertiatide for kidney
Radioisotopes to know: TC 99 m: Diphosphonate for bone
Radioisotopes to know: TC 99 m: Red blood cells for cardiac
Cardiolite--- myocardial perfusion ( blood flow)
Thallium -- myocardial imaging
Xenon gas- lung ventilation
Hot vs cold spot? HOT: more metabolic activity. COLD: less metabolic activity
PET uses radioactive sugar abbreviated as ______________. FDG - fluoro-deoxy-glucose
PET utilizes which interaction ? _________________ pair production
This ineraction results in _____________ keV gamma photon. 511 keV (or 0.511 MeV)
Advantage of Pet/ CT? ________________ merge good detail with metabolic activity
Created by: paigeduh