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Cardio Reverse Defs

TermDefinition
heart A hollow, muscular organ that pumps blood through the arteries, capillaries, and veins
shunt A passage between two blood vessels or between two sides of the heart
ateriole A small artery
venule A small vein
tricuspid valve A valve with three cusps, located between the right atrium and right ventricle, which allows blood to pass into the right ventricle
bicuspid valve A valve with two cusps, through which blood passes from the left atrium to the left ventricle. Also known as the mitral valve
vein A vessel that carries deoxygenated blood to the heart from the body organs and tissues
artery A vessel that carries oxygenated blood from the heart to body tissues and organs
thrombosis Abnormal condition of a blood clot in the blood vessel which obstructs it at the site of its formation
diuretics Act on kidneys to increase excretion of water and sodium
aortography Angiography of the aorta and its branches after injection of a contrast medium
coronary angiography Angiography that is used to determine the degree of stenosis or obstruction of the arteries that supply blood to the heart
percutaneous transluminal coronary angiography (PTCA) Angioplasty of the coronary arteries in which a balloon catheter is inserted through the skin into the right femoral artery and threaded to the site of the stenosis to enlarge the lumen of the artery and restore forward blood flow
coronary artery disease (CAD) Any disease which alters the ability of the coronary artery to deliver the amount of blood that is required by the heart muscle
angioplasty Any endovascular procedure that reopens narrowed blood vessels and restores forward blood flow
bradycardia Arrhythmia in which the heart beats abnormally slowly, usually fewer than 60 beats per minute in a resting adult
tachycardia Arrhythmia in which there is a fast but regular rhythm, with the heart possibly beating up to 200 beats/minute
fibrillation Arrhythmia in which there is an abnormally rapid, uncoordinated quivering of the myocardium that can affect the atria or the ventricles
heart block Arrhythmia in which there is interference with the normal transmission of electric impulses from the SA node to the Purkinje fibers
regurgitation Backflow or ejecting of contents through an opening
calcium channel blockers Block movement of calcium into myocardial cells and arterial walls, causing heart rate and blood pressure to decrease
beta blockers Block the effect of adrenaline on beta receptors, which slow nerve pulses that pass through the heart, thereby causing a decrease heart rate
deep vein thrombosis (DVT) Blood clot that forms in the deep veins of the body, especially those in the legs or thighs; also called deep venous thrombosis
cardiac enzyme studies Blood test that measures the presence and amount of cardiac enzymes in the blood including troponin T, troponin I, and creatine kinase
pulmonary artery Carries deoxygenated blood from the right ventricle to the lungs
pulmonary vein Carries oxygenated blood back to the heart from the lungs
right atrium Chamber which collects deoxygenated blood from the body
right ventricle Chamber which pumps deoxygenated blood from the heart to the lungs
left atrium Chamber which receives oxygenated blood from the lungs
left ventricle Chamber which pumped oxygenated blood to the body via the aorta
sphincter Circular muscle found in a tubular structure or hollow organ that constricts or dilates to regulate passage of substances through its opening
varicose veins Condition which develops when the valves of the veins are damaged. Characterized by enlarged veins and edema of the surrounding tissues
embolism Condition in which a mass (commonly called a blood clot) becomes lodged in a blood vessel, obstructing blood flow
cardioversion Defibrillation technique using low energy shocks to treat an arrhythmia, and is usually synchronized with the large R waves of the ECG complex to restore normal heart rhythm
thrombolysis Destruction of a blood clot using anticlotting agents called clot-busters, such as tissue plasminogen activator
necrosis Destruction of tissue
dyspnea Difficult breathing
nitrates Dilate blood vessels of the heart, causing an increase in the amount of oxygen delivered to the myocardium, and decrease venous return and arterial resistance, which decreases myocardial oxygen demand and relieves angina
cardiomyopathy Disease or weakening of heart muscle that diminishes cardiac function
stress test ECG taken under controlled exercise stress conditions
Holter monitor test ECG taken with a small, portable recording system capable of storing up to 48 hours of ECG tracings, also called event monitor test
defibrillation Electrical shock delivered randomly during the cardiac cycle to treat emergency life-threatening arrhythmias
hypertension (HTN) Elevated blood pressure persistently higher than 140/90 mm Hg
cardiomegaly Enlargement of the heart
hyperlipidemia Excessive amounts of lipids in the blood
Purkinje fibers Extend up the walls of the ventricles and transmit electrical impulses to both ventricles, causing them to contract
congestive heart failure (CHF) Failure of the heart to pump an adequate amount of blood to the tissues and organs
pericardium Fibrous sac which envloses the heart
leaflet Flat, leaf-shaped structure that comprises the valves of the heart and prevents backflow of blood
atherosclerosis Form of ateriosclerosis characterized by the deposit of plaques containing cholesterol and lipids that narrows the lumen in the arteries
ateriosclerosis Hardening and narrowing of an artery along with the loss of its elasticity
ultrasound (US) High-frequency sound waves are directed at soft tissue and reflected as "echoes" to produce an image on a monitor of an internal body structure; also called ultrasound, sonography, and echo
conductive tissue Highly specialized cardiac tissue which initiates and continues contraction impulses
automatic implantable cardioverter-defibrillator (AICD) Implantation of a battery powered device that monitors and automatically corrects ventricular tachycardia or fibrillation by sending electrical impulses to the heart in patients who are at risk of sudden cardiac death
insufficidency Inability of valves to close properly
valvotomy Incision of a valve to increase the size of the opening; used in treating mitral stenosis
phlebitits Inflammation of a deep or superficial vein of the arms or legs
thrombophlebitis Inflammation of a vein wall, which may cause clots to form
carditis Inflammation of the heart
sclerotherapy Injection of a chemical irritant into a vein to produce inflammation and fibrosis that destroys the lumen of the vein
phlebitis Inflammation of a vein
endocardium Innermost layer of the heart
sphygmomanometer Instrument for measuring blood pressure
arrhythmia Irregularity in the rate of rhythm of the heart; also called dysrhythmia
inferior vena
Created by: Jessica Longboat