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Medical Terminology Chap 8
Medical Terminology Chapter 8 The Cardiovascular System
111
Medical
Undergraduate 1
07/06/2010

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Term
angi/o
Definition
blood vessel
Term
aort/o
Definition
aorta
Term
arter/o, arteri/o
Definition
artery
Term
atri/o
Definition
atrium
Term
coron/o
Definition
crown or circle, heart
Term
pector/o
Definition
chest
Term
valvul/o
Definition
little valve
Term
vas/o
Definition
blood vessel
Term
vascul/o
Definition
little blood vessel
Term
ven/o
Definition
vein
Term
ventricul/o
Definition
little belly, ventricle
Term
cyan/o
Definition
blue
Term
rhythm/o, rrhythm/o
Definition
rhythm
Term
sten/o
Definition
narrow
Term
-genic
Definition
pertaining to producing; formation
Term
angina pectoris
Definition
chest pain, the primary symptom of an insufficient supply of oxygen to the heart
Term
angiospasm
Definition
abnormal muscular contractions, or spasms, of the smooth muscles forming the vessel walls
Term
angiostenosis
Definition
a sign of cardiovascular disease-the narrowing of a blood vessel causing a reduction of blood flow to the part of the body at the receiving end of the narrowed vessel
Term
arrhythmia
Definition
a loss of the normal rhythm of the heart. Also called dysrhythmia
Term
bradycardia
Definition
an abnormally slow heart rate, usually under 60 beats per minute
Term
cardiodynia
Definition
term commonly used for the symptom of pain associated with the heart. Also called cardialgia less frequently
Term
cardiogenic
Definition
a symptom or sign that originated from a condition of the heart
Term
cardioplegia
Definition
a sign in which the heart has become paralyzed
Term
cyanosis
Definition
a symptom in which a blue tinge is seen in the skin and mucous membranes. Caused by oxygen deficiency in tissues, common sign of respiratory failure often caused by cardiovascular disease
Term
palpitation
Definition
a symptom of pounding, racing, or skipping of the heartbeat
Term
tachycardia
Definition
a rapid heart rate, may be a sign of heart disease if the heart exceeds 100 beats per minute at rest
Term
ather/o
Definition
fatty
Term
isch/o
Definition
hold back
Term
phleb/o
Definition
vein
Term
sept/o
Definition
wall or partition; putrefying
Term
tampon/o
Definition
plug
Term
tens/o
Definition
pressure
Term
varic/o
Definition
dilated vein
Term
aneurysm
Definition
an abnormal bulging of an arterial wall. Usually caused by a congenital defect ot an acquired weakness of the arterial wall which worsens in time as blood is pushed against it. The bursting of a large aneurysm is usually life-threatening, resulting in massive hemorrhage
Term
angiocarditis
Definition
inflammation of the heart and blood vessels. Usually caused by a widspread bacterial infection of the blood, or septicemia
Term
angioma
Definition
a term describing a tumor arising from a blood vessel. Also called hemangioma. It is a benign clump of endothelium forming a mass
Term
aortic insufficiency
Definition
a condition in which the aortic valve fails to completely close during ventricular diastole and blood returns to the left ventricle, causing the left ventricle to work harder. Abbreviated AI. The long-term result of AI is a chronic condition of the heart known as congestive heart failure. Also known as aortic regurgitation
Term
aortic stenosis
Definition
a narrowing of the aorta that reduces the flow of blood through the vessel, which causes the left ventricle to work harder than normal to push blood through the aorta. This is usually a more serious condition than AI, also leads to congestive heart failure
Term
aortitis
Definition
inflammation of the aorta, often caused by bacterial infection and can lead to acute AI
Term
arteriopathy
Definition
the general term for a disease of the artery
Term
arteriosclerosis
Definition
a common form of arteriopathy in which the artery wall becomes thickened and loses its elasticity, resulting in reduced blood flow to tissues. The risk of developing this disease increases with age. If the coronary arteries supplying the heart are damaged by this disease, the condition is called arteriosclerotic heart disease (ASHD)
Term
atherosclerosis
Definition
a term describing a specific form of arteriosclerosis in which one or more fatty plaques form along the inner walls of arteries. The plaques thicken with time, which reduces the flow of blood through the affected vessel
Term
atrial septal defect
Definition
a congenital condition characterized by a failure of the foramen ovale to close at birth, producing an opening in the septum that separates the right and left atria. This allows blood to pass between the two atria, which bypasses the pulmonary circulation
Term
atriomegaly
Definition
a condition in which the atria have become abnormally enlarged or dilated, reducing their ability to push blood into the ventricles. This condition is a form of cardiomegaly
Term
atrioventricular block
Definition
an injury to the atrioventricular node (AV node), which normally receives impulses from the sinoatrial node (SA node) and transmits them to the ventricles to stimulate ventricular systole. The injury is usually caused by a myocardial infarctionduring which the cells of the AV node die due to lack of oxygen
Term
cardiac arrest
Definition
the cessation of heart activity
Term
cardiac tamponade
Definition
acute compression of the heart due to the accumulation of fluid within the pericardial cavity. Is a complication of an inflammatory disease of the paricardium known as pericarditis
Term
cardiomegaly
Definition
the abnormal enlargement of the heart which occurs when the heart must work harder than normal to meet the oxygen demands of body cells
Term
cardiomyopathy
Definition
a general term for a disease of the myocardium of the heart
Term
cardiovalvulitis
Definition
an inflammation of the valves of the heart often caused by a bacterial infection which leads to the deposition of calcium deposits on heart valves, and congenital defects which results in abnormally shaped valves. This condition is usually diagnosed from the presence of a heart murmur
Term
coarctation
Definition
a congenital defect characterized by aortic stenosis that is present at birth is called coarctation of the aorta. Causes reduced systemic circulation of blood and accumulation of fluid in the lungs and requires surgical repair
Term
congestive heart failure
Definition
a chronic form of heart disease characterized by the failure of the left ventricle to pump enough blood to supply systemic tissues and lungs. Aka, left ventricular failure- the reduced function of the left ventricle characterizes the disease and makes the heart work harder leading to cardiomegaly, pulmonary congestion, and reduced stroke volume that eventually leads to cardiac arrest
Term
cor pulmonale
Definition
a chronic enlargement of the right ventricle resulting from congestion of the pulmonary circulation. AKA right ventricular failure
Term
coronary artery disease
Definition
a general term for a disease that afflicts the coronary arteries supplying the heart. Atherosclerosis is the most common form of CAD
Term
coronary occulsion
Definition
a blockage within the coronary artery, resulting in a reduced blood flow to an area of the heart muscle. Most common cause if atherosclerosis
Term
embolism
Definition
a blockage or occlusion that forms when a blood clot or other foreign particle (including air or fat) moves through the circulation. Can produce a severe circulatory restriction when the particle (the embolus) lodges in an artery
Term
endocarditis
Definition
an acute disease with inflammation of the endocardium, the thin membrane lining the inside walls of the heart chambers. Endocardium also covers the heart valves therefore endocarditis is often accompanied with cardiovalvulitis. Usually caused by bacterial infection
Term
fibrillation
Definition
a condition of uncoordinated, rapid contractions of the muscle forming the ventricles or atria. A severe form of arrhythmia. Two types: atrial fibrillation which leads to a reduction of blood expelled form the atria, usually not fatal. And ventricular fibrillation which results in circulatory collapse due to failure of the ventricles to expel blood
Term
heart block
Definition
a block or delay of the normal electrical conduction of the heart. Often the result of a myocardial infarction that damages the SA node or AV node
Term
heart murmur
Definition
an abnormal soft, gurgling, or blowing sound heard on auscultation or the heart. Indicates the regurgitation of blood through one or more heart valves. The most common source occurs when the mitral valve leaks during ventricular contraction-called mitral valve prolapse
Term
hemorrhoids
Definition
the presence of dilated, or vericose, veins in the anal regions, has symptoms of local pain or itching
Term
hypertension
Definition
persistently high blood pressure. Essential hypertension, in which the condition is not traceable to a single cause. Secondary hypertension, in which the high blood pressure is caused by the effects of another disease, such as atherosclerosis
Term
hypotension
Definition
condition of abnormally low blood pressure, an acute reaction to hemorrhage or septicemia
Term
ischemia
Definition
an abnormally low flow of blood to tissues. Coronary ischemia is a temporary deficiency caused by an occlusion
Term
myocardial infarction
Definition
death of a portion of the myocardium. MI can lead to arrhythmia or cardiac arrest or both. Common name: heart attack
Term
myocarditis
Definition
inflammation of the myocardium of the heart. Often caused by bacterial infection, a form of cardiomyopathy
Term
patent ductus arteriosus
Definition
a congenital condition characterized by an opening between the pulmonary artery and the aorta at birth due to a failure of the fetal vessel, the ductus arteriosus, to close. This permits blood flow from the pulmonary artery to the aorta, which bypasses the pulmonary circulation.
Term
pericarditis
Definition
inflammation of the membrane surrounding the heart, the paricardium. Usually caused by a bacterial infection and affects both layers of the paricardium (the pericardial sac and the epicardium)
Term
phlebitis
Definition
inflammation of a vein. In a related condition, thrombophlebitis, the inflammation of the vein includes an obstruction by a blood clot
Term
polyarteritis
Definition
simultaneous inflammation of many arteries
Term
septicemia
Definition
a bacterial infection of the bloodstream.
Term
tetralogy of Fallot
Definition
a severe congenital disease in which 4 defects associated with the heart are present at birth: pulmonary stenosis, ventricular septal defect, incorrect position of the aorta, and right ventricular hypertrophy. As a result of these defects, pulmonary circulation is partially bypassed.
Term
thrombosis
Definition
the presence of stationary blood clots within one or more blood vessels
Term
varicosis
Definition
an abnormally dilated vein, results when valves within a superficial vein of the leg or elsewhere fail, allowing blood to pool in response to gravitational force
Term
ventricular septal defect
Definition
a congenital disease in which an opening in the septum separating right and left ventricles is present at birth. The opening allows some blood to flow from the right ventricle to the left ventricle, reducing blood flow to the lungs and the pulmonary circulation
Term
ech/o
Definition
sound
Term
electr/o
Definition
electricity
Term
embol/o
Definition
plug
Term
man/o
Definition
gas
Term
pulmon/o
Definition
lung
Term
son/o
Definition
sound
Term
sphygm/o
Definition
heartbeat
Term
angiography
Definition
a diagnostic procedure that includes x-ray photography, MRI, or CAT scal images of a blood vessel after injection of a contrast medium. The resulting image is called an angiogram. When the procedure is focused on the heart called cardiac or coronary angiography
Term
angioplasty
Definition
the surgical repair of a blood vessel. Includes procedures to reopen blocked vessels (balloon angioplasty) where an inflatable balloon is inserted into a blocked artery and inflated. And laser angioplasty which used a laser to open a blocked artery
Term
angioscopy
Definition
the use of a flexible, fiber-optic instrument (endoscope) to observe a diseased blood vessel and to assess any lesions.
Term
angiostomy
Definition
the surgical procedure that involves the creation of an opening into a blood vessel, usually for the insertion of a catheter
Term
angiotomy
Definition
the surgical incision into the blood vessel
Term
aortography
Definition
a procedure that obtains an x-ray image, MRI, or CAT scan image of the aorta-image called aortogram
Term
arteriography
Definition
a procedure that obtains an image of an artery - image called arteriogram
Term
arteriotomy
Definition
an incision into an artery, usually performed to repair an injured artery during a procedure called arterioplasty. The conclusion of this procedure involves suturing the opening, called arteriorrhaphy
Term
auscultation
Definition
a part of the physical examination that involves listening to internal sounds using a stethoscope
Term
cardiac catheterization
Definition
insertion of a narrow flexible tube (catheter) through a blood vessel leading into the heart. Performed to draw samples from heart chambers, measure pressures, and inject contrast medium for imaging purposes
Term
cardiac pacemaker
Definition
a battery-powered device that is implanted under the skin and wired to the SA node in the heart. Produces timed electrical pulses that replace the function of the SA node as a treatment of heart block and cartain other arrhythmias.
Term
cardiopulmonary resuscitation
Definition
CPR-artificial respiration that is used to restore breathing by applying a combination of chest compression and artificial ventilation at intervals
Term
coronary artery bypass graft
Definition
CABG, a surgical procedure that involves removing a blood vessel form another part of the body and inserting it into the coronary circulation. The grafted vessel restores blood flow to an oxygen-deprived area of the heart by carrying blood around an occluded coronary artery
Term
coronary stent
Definition
an artificial, usually plastic, scaffold that is used to anchor a surgical implant or graft. A coronary stent may be implanted into a coronary artery that is occluded to restore blood flow to an oxygen-deprived part of the heart. Coronary stent may also be used to prevent closure of a coronary artery after angioplasty
Term
defibrillation
Definition
when arrhythmia progresses to ventricular fibrillation, an electrical charge may be applied to the cheat to stop the heart conduction syste, momentarily, then restart it with a more normal heart rhythm
Term
doppler sonography
Definition
an ultrasound procedure that evaluates blood flow in an effort to determine the cause of a localized reduction in circulation. Often performed in the heart to evaluated coronary circulation in a noninvasive manner
Term
echocardiography
Definition
an ultrasound procedure that directs sound waves through the heart to observe heart structures in an effort to evaluate heart function. aka Cardiac ultrasonography. Image called echocardiogram. Can be performed before and after exercise - stress echo
Term
electrocardiography
Definition
electrodes are pasted to the skin of the chest to detect and record the electrical events of the heart conduction system. The record called electrocardiogram, ECG or EKG. Used to evaluate heart function, especially to diagnose arrhythmias.
Term
embolectomy
Definition
the surgical removal of a floating blood clot or embolus
Term
endarterectomy
Definition
the removal of the inner lining of an artery to remove a fatty plaque
Term
holter monitor
Definition
a portable electrocardiograph that is worn by the patient to monitor electrical activity of the heart over a 24-hour period-used to detect periodic or transient cardiac abnormalities
Term
nitroglycerin
Definition
a drug commonly used as an emergency vasodilator as a treatment for severe angina pectoris or myocardial infarction. The vasodilation temporarily improves blood flow
Term
phlebectomy
Definition
surgical removal of a vein
Term
phlebotomy
Definition
a puncture into a vein to remove blood for sampling or donation.
Term
positron emission tomography scan
Definition
a noninvasive procedure that provides blood flow images using positron emission tomography (PET) techniques combined with radioactive isotope labeling is used to produce iamges of the heart to reveal functional defects.
Term
sphygmomanometry
Definition
a common procedure that measures arterial blood pressure- utilizes a device called a sphygmomanometer which consists of an arm cuff and air pressure pump with mercury pressure gauge.
Term
thrombolytic therapy
Definition
treatments to dissolve unwanted blood clots are often necessary after surgery to prevent the development of emboli, also after a heart attack to minimize damage to the heart.
Term
treadmill stress test
Definition
when a patient undergoes exercise during echocardiography or electrocardiography (or both) to examine heart function under stress
Term
valvuloplasty
Definition
the surgical repair of a heart valve
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