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chapter 7
cardiovascular system
Term | Meaning |
---|---|
aneurysm | abnormal weakening of a vessel wall with outpouching beyond the normal confines of the vessel |
angioplasty | surgical or percutaneous procedures in a vessel to dilate the vessel opening; used in the treatment of atherosclerotic disease |
antrotomy | cutting through the antrum wall to make an opening in the sinus |
arteriovenous fistula | direct communication (passage) between an artery and vein |
artery | vessel that generally caries oxygenated blood from the heart to body tissues (pulmonary artery carries UN-oxygenated blood) |
atrium | chamber in the upper part of the heart |
bypass | to go around |
cardiopulmonary | refer to the heart and lungs |
cardiopulmonary bypass | blood bypasses the heart through a heart-lung machine during open-heart surgery |
cardioverter-defibrillator | surgically placed device that directs and electric current shock to the heart to restore rhythm |
component | part |
dual-chamber pacemaker | the electrodes of the pacemaker are placed in both the atria and the ventricles of the heart |
electrode | lead attached to a generator that carries the electric current from the generator to the atria of ventricles |
electrophysiology | the study of the electrical system of the heart, including the study of arrhythmias |
embolectomy | removal of blockage (embolism) from vessels |
embolism | blockage of a blood vessel by a blood clot or other matter that has moved from another area of the body through the circulatory system |
endarterectomy | incision into an artery to remove the inner lining so as to eliminate disease or blockage |
epicardial | over the heart |
false aneurysm | sac of clotted blood that has completely destroyed the vessel and is being contained by the tissue that surrounds the vessel |
fistula | abnormal opening from one area to another area or to the outside of the body |
intracardiac | inside the heart |
invasive | entering the body,breaking the skin |
noninvasive | not entering the body, not breaking the skin |
nuclear cardiology | diagnostic specialty that uses radiologic procedures to aid in the diagnosis of cardiologic conditions |
pacemaker | electrical device that controls the beating of the heart by means of electrical impulses |
pericardiocentesis | procedure in which a surgeon withdraws fluid from the pericardial space by means of a needle inserted percutaneously into the space |
pericardium | membranous sac enclosing the heart and the ends of the great vessel |
single-chamber pacemaker | the electrode of the pacemaker is placed only in the atrium or only in the ventricle, but not in both places |
stent | mold that holds a surgically placed graft in place |
thoracostomy | surgical incision into the chest wall and insertion of a chest tube |
transvenous | across the vein |
vein | vessel that carries unoxygenated blood to the heart from body tissues |
vena caval thrombectomy | removal of a blood clot from the blood vessel (inferior vena cava, which is the vein trunk for the pelvic and abdominal area) |
ventricle | chamber in the lower part of the heart |