DEFINITION OF TERMS Flashcards
vessel carrying lymph toward a lymph vessel
afferent lymph vessel
join
anastomosis
sac formed by local enlargement of a weakened artery wall
aneurysm
severe form of chest pain and constriction near the heart, usually cause by a decrease in the blood supply to cardiac tissue
angina pectoris
variation from the normal pattern
anomaly
tear in inner lining of the aortic wall that allows the blood to enter and track along the muscular coat
aortic dissection
radiographic examination of the aorta
aortography
variation from normal heart rhythm
arrythmia
producing an arrhythmia
arrythmogenic
very small arterial vessel
arteriole
indicative of a general pathologic condition characterized by thickening and hardening of arterial walls, leading to general loss of elasticity
arteriosclerotic
surgical opening of an artery
arteriotomy
abnormal anastomosis or communication between an artery and a vein
arteriovenous malformation
large blood vessel carrying blood away from the heart
artery
excision of atherosclerotic plaque
atherectomy
characteristic of degenerative change in the inner lining of artery caused by deposition of fatty tissue and subsequent thickening of arterial wall that occurs in atherosclerosis
atheromatous
condition in which fibrous and fatty deposits on the luminal wall of an artery may cause obstruction of the vessel
atherosclerosis
one of the two upper chambers of the heart
atrium
place where a structure divides into two branches
bifurcation
two x-ray exposure planes 90 degrees from one another, usually frontal and lateral
biplane
vascular system comprising arteries, capillaries and veins which convey blood
blood vascular system
irregular heart rhythm in conjunction with bradycardia
bradyarrythmia
any heart rhythm with an average heart rate of less than 60 heats/min
bradycardia
tiny blood vessel through which blood and tissue cells exchange substance
capillary
any several structural or functional diseases of heart muscle marked especially by hypertrophy and obstructive damage to the heart
cardiomyopathy
technologist specializing in angiographic and interventional procedures
cardiovascular/interventional radiologist
imaging of vascular system of the brain
cerebral angiography
high speed, 35-mm motion picture film recording of a fluoroscopic image of structures containing radiographic contrast medium
cineangiography
same as cineangiography; the production of a motion picture record of successive images on a fluoroscopic screen
cinefluorography
cramping of the leg muscles after physical exertion because of chronically inadequate blood supply
claudification
any disorder that affects the blood-clotting mechanism
coagulopathy
relaxed phase of the atria or ventricles of the heart during which blood enters the chambers; in cardiac cycle at which the heart is not contracting (at rest)
diastole
laboured breathing
dyspnea
vessel carrying lymph away from a node
efferent lymph vessel
foreign material, often thrombus that detaches and moves freely in the blood stream
embolus
interior lining of heart chambers
endocardium
exterior layer of the heart wall
epicardium
escape of fluid from a vessel into the surrounding tissue
extravastation
measurement of catheter size 1 French = 0.33mm
french size
tightly wound metallic wire over which angiographic catheters are placed
guide wire
collection of extravasated blood in an organ or a tissue space
hematoma
stopping of blood flow in a hemorrhage
hemostasis
first major artery of the aortic arch supplying the cerebral circulation
innominate or braciocephalic artery
re-narrowing of an artery inside a previously placed stent
in-stent restenosis
therapeutic modality used to modify the course of disease process
intervention
improving a condition; therapeutic
interventional
metallic device placed within a coronary artery across a region of stenosis
intracoronary stent
plastic tubing placed within the vasculature through which other catheters may be passed
introducer sheath
indicative of a local decrease of blood supply to myocardial tissue associated temporary obstruction of a coronary vessel, typically as a result of thrombus (blood clot)
ischemic
injury or other damaging change to an organ or tissue
lesion
body fluid circulated by the lymphatic vessel and filtered by the lymph node
lymph
radiographic study of lymph nodes
lymphadenography
radiographic study of the lymph vessels
lymphagiography
radiographic evaluation of the lymphatic channels and lymph nodes
lymphography
inner metallic core of a spiral wound guide wire
mandrel
three membranes that envelop the brain and spinal cord
meninges
acute ischemic episode resulting in myocardial damage and pain; commonly referred to as a heart attack
myocardial infarction
muscular heart wall
myocardium
not completely closed or shut; allowing blood flow
nonocclusive
obstruction or closure of a vessel, such as coronary vessel, as a result of foreign material, thrombus or spasm
occlusion
measurement of oxygen saturation in blood
oximetry
amount of oxygen bound to hemoglobin in blood, expressed as a percentage
oxygen saturation
state of being open or un-obstructed
patency
opening between the right atrium and left atrium that normally exists in fetal life to allow for the essential mixing of blood
the opening normally closes shortly after birth
patent foramen oval
introduced through the skin
percutaneous
surgical correction of a vessel from within the vessel using catheter technology
percutaneous transluminal angioplasty
manipulative interventional procedure involving the placement and inflation of a balloon catheter in the lumen of a stenosed coronary artery for the purpose of compressing and fracturing the diseased material allowing subsequent increased distal blood flow to the myocardium
percutaneous transluminal coronary angioplasty
fibrous sac that surrounds the heart
pericardium
small piece of material used as a dressing or plug
pledget
system of vessels carrying blood from the organs of digestion to the liver
portal circulation
system of vessels carrying blood from the heart to the lungs and back to the heart
pulmonary circulation
regular expansion and contraction of an artery that is produced by ejection of blood from the heart
pulse
measurement of oxygen saturation in the blood via an optic sensor placed on an extremity
pulse oximetry
narrowing or constriction of a vessel, orifice or other type of passageway after interventional correction of primary condition
restenosis
acquisition of images in rapid succession
serial imaging
narrowing or constriction of a vessel, orifice or other type of passageway
stenosis
wire mesh or plastic conduit placed to maintain flow
stent
system of vessels carrying blood from the heart out to the body (except the lungs) and back to the heart
systemic circulation
contraction phase of the atria or ventricles of the heart during which blood is ejected from the chambers; point in the cardiac cycle at which the heart is contracting (at work)
systole
irregular heart rhythm in conjunction with tachycardia
tachyarrythmia
any heart rhythm having an average rate in excess of 100 beats/min
tachycardia
area of narrowing within an artery where revascularization procedure is planned
target lesion
formation of a blood clot
thrombogenesis
capable of causing the break up of a thrombus
thrombolytic
formation or existence of a blood clot
thrombosis
blood clot obstructing a blood vessel or cavity of the heart
thrombus
ability of the valve to prevent backward flow while not inhibiting forward flow
valvular competence
irregularly swollen veins
varices
temporary closure of a blood vessel using drug therapy
vasoconstriction
vessel that carries blood from the capillaries to the heart
vein
radiologic study of veins after injection of radiopaque contrast medium
venography
surgical opening of a vein
venotomy
one of the two larger pumping chambers of the heart
ventricle
any of the small blood vessels that collect blood from the capillaries and join to become veins
venules
radiographic demonstration of blood vessels after the introduction of contrast medium
angiography
