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Electrophysiology Study of the Heart
Electrophysiology study of the heart Definition An electrophysiology study (EPS) of the heart is a test performed to analyze the electrical activity of the heart. The test uses cardiac catheters and sophisticated computers to generate electrocardiogram (EKG) tracings and... Read more |
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Cardioversion
Cardioversion Definition Cardioversion refers to the process of restoring the heart's normal rhythm by applying a controlled electric shock to the exterior of the chest. Abnormal heart rhythms are called arrhythmias or dysrhythmias. Purpose When the heart beats too fast,... Read more |
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Echocardiography
Echocardiography Definition Echocardiography is a diagnostic test that uses ultrasound waves to produce an image of the heart muscle and the heart's valves. Purpose Echocardiography is used to diagnose certain cardiovascular diseases, and is one of the most widely used... Read more |
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quinidine
quinidine , heart muscle relaxant used to maintain regular heart rhythm patterns. It is an alkaloid chemically similar to quinine and, like quinine, occurs naturally in some species of cinchona trees. Quinidine slows the rate of blood flow in heart chambers and lowers the excitability of the... Read more |
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Sacred Heart
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bleeding heart
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Heart Sutra
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Adrenergic beta-antagonists
Beta Blockers Definition Beta blockers are medicines that affect the body's response to certain nerve impulses. This, in turn, decreases the force and rate of the heart's contractions, which lowers blood pressure and reduces the heart's demand for oxygen. Purpose The main use of beta blockers is... Read more |
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Vasodilator agents
Vasodilators Definition Vasodilators are medicines that act directly on muscles in blood vessel walls to make blood vessels widen (dilate). Purpose Vasodilators are used to treat high blood pressure (hypertension ). By widening the arteries, these drugs allow blood to flow through more easily,... Read more |
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digitalis
digitalis , any of several chemically similar drugs used primarily to increase the force and rate of heart contractions, especially in damaged heart muscle. The effects of the drug were known as early as 1500 BC; it was later obtained from the foxglove plant, Digitalis purpurea, and from fuchsia... Read more |
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