Term
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Definition
| Drug that causes dilation of blood vessels and lowers blood pressure, prevents heart attacks, strokes, and congestive heart failure. ACE stands for angiotensin-converting enzyme, which normally constricts blood vessels. |
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Term
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Definition
| Consequences of plaque rupture in coronary arteries; unstable angina and myocardial infarction (heart attack). |
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Term
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Definition
| Local widening or ballooning out of a small area of an artery. |
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Term
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Definition
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Term
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Definition
| Chest pain associated with myocardial ischemia. |
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Term
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Definition
| X-ray record of a blood vessel. |
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Term
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Definition
| X-ray imaging of blood vessels after injection of contrast material. |
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Term
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Definition
| Surgical repair of a blood vessel. |
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Term
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Definition
| Lack of oxygen in body tissues. |
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Term
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Definition
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Term
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Definition
| Largest artery in the body. |
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Term
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Definition
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Term
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Definition
| Without rhythm; an irregular beat of the heart. |
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Term
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Definition
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Term
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Definition
| Surgical connection between two arteries. |
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Term
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Definition
| Process of recording (x-ray) arteries after injecting contrast material. |
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Term
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Definition
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Term
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Definition
| Hardening of an artery with collection of fatty plaque. |
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Term
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Definition
| Largest type of blood vessel. |
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Term
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Definition
| yellowish plaque, fatty substance |
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Term
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Definition
| atrium, upper heart chamber |
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Term
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Definition
| Removal of plaque (lipids and clots) or fatty mass that accumulate in the lining of an artery. |
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Term
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Definition
| Mass of fatty plaque that collects in an artery. |
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Term
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Definition
| Form of arteriosclerosis in which fatty plaque deposits in the interior lining of an artery. |
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Term
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Definition
| Pertaining to an atrium (upper chamber of the heart). |
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Term
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Definition
| Electrical impulses move randomly throughout the atria, causing the atria to quiver instead of contracting with a normal rhythm. |
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Term
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Definition
| Pertaining to an atrium and ventricle (upper and lower chambers of the heart). |
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Term
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Definition
| Failure of conduction of impulses from the AV node to the atrioventricular bundle and ventricles of the heart. |
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Term
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Definition
| Specialized muscle fibers connecting the atria with the ventricles and transmitting impulses between them; bundle of His. |
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Term
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Definition
| Specialized tissue in the wall between the atria. Electrical impulses pass from the sino-atrial node (pacemaker) through the atrioventricular node and atrioventricular bundle (bundle of His) toward the ventricles. |
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Term
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Definition
| Upper chamber of the heart. |
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Term
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Definition
| Use of a stethoscope to listen for sounds emanating from the heart or other organs. |
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Term
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Definition
| Drug used to treat high blood pressure and control heart rate. |
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Term
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Definition
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Term
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Definition
| Artery that branches from the aorta to bring blood to the arm. |
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Term
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Definition
| Condition of slow heartbeat. |
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Term
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Definition
| An abnormal blowing or swishing sound heard on auscultation of an artery or an organ. |
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Term
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Definition
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Term
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Definition
| Drug used to treat chest pain (angina) and high blood pressure (hypertension). |
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Term
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Definition
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Term
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Definition
| Gas released by body cells and carried by veins to the heart, and then to the lungs for exhalation; CO2. |
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Term
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Definition
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Term
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Definition
| Sudden, unexpected stoppage of the heart; sudden cardiac death. |
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Term
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Definition
| Thin, flexible tube is guided into the heart via a vein or an artery and after contrast material is introduced, blood pressure is measured, and x-rays taken to image patterns of blood flow. |
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Term
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Definition
| Images of the heart are produced with magnetic waves. |
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Term
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Definition
| Pressure on the heart caused by fluid in the pericardial space. |
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Term
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Definition
| Results from the heart's failure to pump. |
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Term
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Definition
| Enlargement of the heart. |
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Term
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Definition
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Term
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Definition
| Treatment for serious arrhythmias using brief discharges of electricity to shock the heart so that a normal rhythm can begin; defibrillation. |
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Term
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Definition
| cholesterol (a lipid substance) |
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Term
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Definition
| Pain, tension, and weakness in a leg after walking has begun, but absence of pain at rest. |
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Term
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Definition
| Congenital anomaly in which a portion of the aorta near the heart is narrowed or stenosed. |
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Term
| Computerized tomography angiography |
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Definition
| X-ray images are combined with computerized tomography |
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Term
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Definition
| Structural heart defects that appear at birth. |
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Term
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Definition
| Heart is unable to pump its required amount of blood. |
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Term
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Definition
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Term
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Definition
| Arteries branch from the aorta to bring oxygen-rich blood to the heart muscle. |
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Term
| Coronary artery bypass grafting |
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Definition
| Arteries or veins are grafted onto coronary arteries to bypass blocked arteries and bring need blood supply to the myocardium. |
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Term
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Definition
| Arteries that supply blood to the heart muscle become clogged and blocked with deposits of fatty material and cholesterol (plaque). |
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Term
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Definition
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Term
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Definition
| Abnormal condition of blueness of the skin; caused by decreased oxygen and increased carbon dioxide in the blood. |
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Term
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Definition
| Blood clots form in a large vein, usually in the leg. |
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Term
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Definition
| collarbone) to sense arrhythmias and terminate them to restore normal sinus rhythm. |
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Term
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Definition
| Blood that is oxygen-poor. |
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Term
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Definition
| Relaxation phase of the heartbeat. |
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Term
| Digital subtraction angiography |
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Definition
| Video equipment, computer and x-ray machine produce images of blood vessels before and after injecting contrast material. |
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Term
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Definition
| Drug that increases the strength and regularity of the heartbeat. |
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Term
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Definition
| Method of focusing sound waves on blood vessels to measure blood flow. |
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Term
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Definition
| High-energy sound waves are transmitted into the chest and images recorded of valves, chambers, surfaces and movement of the heart. |
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Term
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Definition
| Record of the electricity flowing through the heart. |
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Term
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Definition
| Process of recording the electricity flowing through the heart. |
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Term
| Electron beam computed tomography |
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Definition
| Electron beams and CT identify calcium deposits in and around coronary arteries to diagnose early coronary artery disease. |
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Term
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Definition
| A clot or other substance that travels to a distant location and suddenly blocks a blood vessel. |
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Term
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Definition
| Surgical removal of plaque from the inner layer of an artery. |
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Term
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Definition
| Inflammation of the endocardium (inner lining of the heart). |
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Term
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Definition
| Inner lining of the heart. |
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Term
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Definition
| Innermost lining of blood vessels. |
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Term
| Extracorporeal circulation |
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Definition
| Use of a heart-lung machine to divert blood from the heart and lungs during open heart surgery. |
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Term
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Definition
| Random, rapid, inefficient, irregular contractions of the atria or ventricles. |
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Term
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Definition
| Rapid, but regular contractions of the heart, usually of the atria. |
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Term
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Definition
| Donor heart is transferred to a recipient. |
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Term
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Definition
| Swollen, twisted veins in the rectal and anal region. |
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Term
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Definition
| Compact version of an electrocardiograph is worn during a 24-hour period to detect cardiac arrhythmias. |
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Term
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Definition
| Condition of excessive cholesterol in the blood. |
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Term
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Definition
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Term
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Definition
| Condition of decreased oxygen in inspired air; as occurs in high altitudes. |
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Term
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Definition
| Small electric device implanted inside the chest (near the |
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Term
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Definition
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Term
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Definition
| coronary artery to remove collections of plaque. Drug-eluting stents release chemicals to keep debris and plaque from recollecting. |
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Term
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Definition
| The wall separating the ventricles of the heart (lower chambers). |
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Term
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Definition
| Holding back blood to an region of the body. Myocardial ischemia is deprivation of blood to the heart muscle. |
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Term
| Left ventricular assist device |
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Definition
| Booster pump implanted in the abdomen with a tube inserted into the left ventricle. An LVAD is a “bridge to transplant” or destination therapy when heart transplantation is impossible. |
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Term
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Definition
| Measurement of cholesterol and triglycerides (fats) in a sample of blood. |
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Term
| Lipoprotein electrophoresis |
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Definition
| Lipoproteins (combinations of fat and protein) are physically separated in a blood sample. Examples of lipoproteins are HDL (high density lipoprotein) and LDL (low density lipoprotein). |
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Term
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Definition
| Narrowing of the mitral valve. |
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Term
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Definition
| Valve between the left atrium and left ventricle; bicuspid valve. |
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Term
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Definition
| Abnormal closure of the mitral valve so that blood refluxes backward into the left atrium during ventricular contraction. |
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Term
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Definition
| Inflammation of the mitral valve. |
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Term
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Definition
| Extra sound heard between normal beats during auscultation of the heart. |
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Term
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Definition
| Area of dead (necrotic) tissue in the heart muscle; heart attack. |
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Term
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Definition
| Muscular layer of the heart. |
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Term
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Definition
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Term
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Definition
| Rare benign neoplasm of connective tissue found in heart muscle. The tumor is embedded in soft mucoid stromal tissue. |
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Term
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Definition
| Drug used in the treatment of angina (pectoris). It dilates coronary arteries so that more blood flows to heart muscle. |
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Term
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Definition
| Heart rhythm originating in the sinoatrial node. |
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Term
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Definition
| Blockage or closure of a vessel or tube. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| A gas that enters the body through the lungs and travels to the heart to be distributed by arterial blood to all parts of the body. |
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Term
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Definition
| Specialized nervous tissue in the wall of the right atrium; it begins the heartbeat; sinoatrial node. |
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Term
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Definition
| Uncomfortable sensations in the chest related to cardiac arrhythmias, such as skipped beats. |
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Term
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Definition
| The ductus arteriosus, a small duct that is open during fetal circulation, fails to close at birth. |
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Term
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Definition
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Term
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Definition
| Scraping or grating sound heard on auscultation of the heart. It is usually symptomatic of pericarditis. |
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Term
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Definition
| Surgical puncture to remove fluid within the pericardial space surrounding the heart. |
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Term
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Definition
| Inflammation of the pericardium (double-layered outermost membrane of the heart). |
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Term
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Definition
| Double-layered membrane surrounding the heart. |
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Term
| Peripheral vascular disease |
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Definition
| Blockage of blood vessels outside the heart. Carotid artery occlusion is an example. |
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Term
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Definition
| Small pinpoint hemorrhages under the skin. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Images show blood flow and myocardial function |
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Term
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Definition
| Blood vessel carrying oxygen-poor blood from the right ventricle of the heart to the lungs. |
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Term
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Definition
| Flow of blood from the heart to the lungs and then back to the heart. |
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Term
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Definition
| A valve located between the right ventricle and the pulmonary artery. |
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Term
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Definition
| One of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart. |
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Term
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Definition
| Beat of the heart as felt through the walls of the arteries. |
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Term
| Radiofrequency catheter ablation |
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Definition
| To treat certain cardiac arrhythmias, radiofrequency energy is delivered from the tip of a catheter inserted through a blood vessel into the heart. The treatment destroys or ablates the tissue causing the arrhythmia. |
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Term
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Definition
| Recurrent episodes of pallor and cyanosis in fingers and toes caused by blood vessel spasms. |
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Term
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Definition
| Heart disease caused by rheumatic fever. |
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Term
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Definition
| Small holes, present at birth, in the walls between the heart chambers. |
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Term
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Definition
| Wall or partition. The interatrial septum lies between the atria of the heart and the interventricular septum is between the ventricles of the heart. |
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Term
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Definition
| Chemicals measured in the blood as evidence of a heart attack. Examples are creatine kinase (CK), troponin-I (cTnI), and troponin T (cTnT). |
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Term
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Definition
| Sensitive nervous tissue in the wall of the right atrium; pacemaker of the heart. |
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Term
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Definition
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Term
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Definition
| Instrument to measure blood pressure. |
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Term
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Definition
| Drugs given to lower cholesterol in the bloodstream. |
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Term
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Definition
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Term
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Definition
| Instrument for listening to sounds in the chest. |
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Term
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Definition
| Exercise tolerance test (ETT) is used to determine the heart’s response to physical exertion. |
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Term
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Definition
| Flow of blood from body tissues to the heart and from the heart back to the tissues. |
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Term
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Definition
| Contraction phase of the heartbeat. |
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Term
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Definition
| Condition of fast heartbeat. |
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Term
| Technetium 99m sestamibi scan |
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Definition
| Uptake of a radioactive chemical (technetium 99m sestamibi) in myocardium reveals evidence of a heart attack (myocardial infarction). |
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Term
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Definition
| Continuous monitoring of a patient’s heart rhythm in a hospital. |
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Term
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Definition
| Four separate defects of the heart occurring at birth. |
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Term
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Definition
| Concentration of a radioactive substance (thallium 201) is measured in the myocardium to show evidence of an infarction (“cold spots”). |
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Term
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Definition
| Fine vibration felt on palpation (touching) the body over a blood vessel that is blocked. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Injection of drugs (streptokinase and tPA) to dissolve clots in the bloodstream. |
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Term
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Definition
| Inflammation of a vein and formation of a clot within the vein. |
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Term
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Definition
| Blockage of a blood vessel caused by thrombosis or clot formation. |
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Term
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Definition
| following uptake of radioactive substances. |
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Term
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Definition
| A valve located between the right atrium and right ventricle. |
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Term
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Definition
| Structure in a vein or in the heart that temporarily closes an opening so that blood flows in the proper direction. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Surgical repair of a valve (within the heart). |
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Term
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Definition
| Swollen, twisted veins, often occurring in the legs. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Pertaining to a blood vessel. |
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Term
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Definition
| Narrowing of a blood vessel. |
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Term
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Definition
| Widening of a blood vessel; vasodilatation. |
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Term
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Definition
| Collections of clotted material that accumulate on endocardium and valves of the heart in conditions such as endocarditis and rheumatic heart disease. |
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Term
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Definition
| Thin-walled blood vessel that carries oxygen-poor (deoxygenated) blood from body tissues back to the heart. |
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Term
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Definition
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Term
| Vena cava (pl. venae cavae) |
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Definition
| Largest vein in the body. The venae cavae (inferior and superior) return blood to the heart from the body tissues. |
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Term
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Definition
| Incision of a vein for phlebotomy or to start an intravenous infusion. |
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Term
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Definition
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Term
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Definition
| One of two lower chambers of the heart. |
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Term
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Definition
| ventricle, lower heart chamber |
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Term
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Definition
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