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Chapter 10

Chapter 10 Glossary

Anastomosis Joining of two or more blood vessels.
Angiography Radiographic visualization of blood vessels following introduction of contrast material.
Angioplasty Procedure to open narrow or blocked vessels.
Antegrade Moving or extending anteriorly, moving with usual direction of flow.
Arrhythmia Irregularity of heart rate or rhythm, loss of rhythm.
Arteriosclerosis Hardening of the arteries.
Atherectomy Procedure to remove plaque from arteries.
Atherosclerosis Build up of plaque on artery walls.
Atria Upper chambers of the heart; right atrium, left atrium.
Atrioventricular (AV) Relating to both the atria and the ventricles of the heart.
Bifurcation Division into two branches.
Bundle of His (AV Bundle) Muscle fibers in the heart's conduction system branching off the right and left sides of the heart.
Capillaries Smallest branches and arteries and veins.
Cardioversion Use of defibrillator paddles to restore normal rhythm of the heart by electrical shock.
Chordae Tendineae String-like tendons linking papillary muscles to the tricuspid valve in the right ventricle and the mitral valve in the left ventricle.
Conduction System Generates and distributes electrical impulses over the heart and along the septum to stimulate contraction, allowing blood to move through the body.
Contralateral Situated on, pertaining to, or affecting the opposite side, as opposed to the ipsilateral.
Coronary Circulation Movement of blood through coronary vessels supplying tissues of the heart.
Endocarditis Inflammation of infection of the inner lining of the heart (endocardium).
Epicardial Relating to the outermost (on top) layer of the heart wall.
Implantable Defibrillator Implantable device delivering an electrical shock to restore a normal heart rhythm.
Infarction Death of Tissue
Intracoronary Within the heart.
Ipsilateral Situated on, pertaining to, or affecting the same side as opposed to contralateral.
Myocardial Relating to the Myocardium (second layer of the wall of the heart).
Nonselective Catheterization Catheter placed in the main trunk, contrast may be injected, images may be taken, the catheter is not moved into any other branches.
Non-Tunneled Catheter A catheter inserted through the skin directly into a great vessel.
Occlusion Closure; the act of closing.
Papillary Muscles Muscles attached to the lower portion of interior wall of the ventricles and connected to chordae tendinae.
Prolapse Sinking of an organ or other part.
Pulmonary Circulation Movement of blood from the heart, to the lungs, and back to the heart again.
Purkinje Fibers Conduction myofibers branching off of the right and left branches into cells of the myocardium.
Regurgitation Flowing backwards
Retrograde Moving backward or against the usual direction of flow.
Revascularization Reestablishment of blood supply to a part.
Selective Catheterization Catheter placed in branches further off the main trunk (first, second, third, or higher order).
Sinoartrial Refers to the sinus of the venae cavae of the mature heart, and the right atrium.
Stenosis Narrowing, stricture
Subendocardial Under or below the endocardium.
Syncope Loss of consciousness and postural tone.
Systemic Circulation Supplies nourishment to tissue located throughout the body, with exception of the heart and lungs.
Thrombolysis Destruction of a blood clot.
Transluminal Through or across the lumen (tube) of an artery or vein.
Transvenous Through or across a vein.
Trifurcation Division into three branches or parts.
Tunneled Catheter Catheter tunneled through the skin and subcutaneous tissue to a central vessel. The entrance point of the catheter is distant from the entrance to the vascular system.
Valvular Prolapse Valve leaflets fall backward into the heart chamber.
Valvulooplasty Surgical reconstruction of a valve.
Ventricle Lower chamber of the heart; right ventricle, left ventricle.
Created by: BBracha