Interventional Radiography: Definition of Terms Quiz

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What is the definition of ANEURYSM?

A sac formed by local enlargement of a weakened artery wall

What is the medical term for the excision of atherosclerotic plaque?

Atherectomy

Define Atherosclerosis.

Condition in which fibrous and fatty deposits on the luminal wall of an artery may cause obstruction of the vessel.

Define ANGIOGRAPHY.

Radiographic demonstration of blood vessels after the introduction of contrast medium Signup and view all the answers

What is the function of an artery?

Carrying blood away from the heart. Signup and view all the answers

Explain ARRYTHMIA.

Variation from normal heart rhythm Signup and view all the answers

What is ARTERIOVENOUS MALFORMATION?

Abnormal anastomosis or communication between an artery and a vein Signup and view all the answers

What is the average heart rate range for bradycardia?

Less than 60 beats/min Signup and view all the answers

Define AORTIC DISSECTION.

Tear in inner lining of the aortic wall that allows the blood to enter and track along the muscular coat Signup and view all the answers

What is the role of a Cardiomyopathy?

Diseases of heart muscle marked by hypertrophy and obstructive damage to the heart. Signup and view all the answers

What is the function of a Capillary?

Tiny blood vessel through which blood and tissue cells exchange substances. Signup and view all the answers

What is meant by ARTERIOSCLEROTIC?

Indicative of a general pathologic condition characterized by thickening and hardening of arterial walls, leading to general loss of elasticity Signup and view all the answers

What is the medical term for cramping of the leg muscles after physical exertion due to inadequate blood supply?

CLAUDIFICATION Signup and view all the answers

What does the term 'EMBOLUS' refer to in the medical field?

foreign material, often thrombus that detaches and moves freely in the blood stream Signup and view all the answers

Define 'ENDOCARDIUM' in relation to the heart.

interior lining of heart chambers Signup and view all the answers

What is the purpose of a 'GUIDE WIRE' in angiographic procedures?

tightly wound metallic wire over which angiographic catheters are placed Signup and view all the answers

What is the term for the escape of fluid from a vessel into the surrounding tissue?

EXTRAVASATION Signup and view all the answers

How can 'HEMOSTASIS' be defined in the context of blood flow?

stopping of blood flow in a hemorrhage Signup and view all the answers

What is the definition of 'nonocclusive'?

Not completely closed or shut; allowing blood flow Signup and view all the answers

Define 'patency'.

State of being open or un-obstructed Signup and view all the answers

What is the 'patent foramen ovale'?

Opening between the right atrium and left atrium that normally exists in fetal life Signup and view all the answers

Explain 'percutaneous transluminal angioplasty (PTA)' in brief.

Surgical correction of a vessel from within the vessel using catheter technology Signup and view all the answers

What does 'percutaneous transluminal coronary angioplasty (PTCA)' involve?

Placement and inflation of a balloon catheter in a stenosed coronary artery Signup and view all the answers

Describe the 'pericardium'.

Fibrous sac that surrounds the heart Signup and view all the answers

What is the definition of a stent?

Wire mesh or plastic conduit placed to maintain flow. Signup and view all the answers

Define restenosis.

Narrowing or constriction of a vessel, orifice, or other type of passageway after interventional correction of the primary condition. Signup and view all the answers

Explain what is meant by systemic circulation.

System of vessels carrying blood from the heart out to the body (except the lungs) and back to the heart. Signup and view all the answers

What is the purpose of pulse oximetry?

Measurement of oxygen saturation in the blood via an optic sensor placed on an extremity. Signup and view all the answers

Define thrombogenesis.

Formation of a blood clot. Signup and view all the answers

What does the term systole refer to?

Contraction phase of the atria or ventricles of the heart during which blood is ejected from the chambers. Signup and view all the answers