Definitions: Davi-Ellen Chabner, The Language of Medicine, 8th Edition
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| acute coronary syndromes | Consequences of plaque rupture in coronary arteries: unstable angina and myocardial infarction.
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| angina (pectoris) | Chest pain resulting from myocardial ischemia. Stable angina occurs predictably with exertion; unstable angina is chest pain that occurs more often and with less exertion.
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| angiotensin-converting enzyme (ACE) inhibitor | Antihypertensive drug that blocks the conversion of angiotensin I to angiotensin II and thus dilates blood vessels. It prevents heart attacks, CHF, stroke, and death.
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| auscultation | Listening for sounds in blood vessels or other body structure, typically using a stethoscope.
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| beta-blockers | Drugs used to treat angina, hypertension, and arrhythmias. They block the action of epinephrine (adrenaline) at receptor sites on cells, slowing the heartbeat and reducing the workload on the heart.
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| biventricular pacemaker | Device enabling ventricles to beat together (in synchrony) so that more blood is pumped out of the heart.
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| bruit | An abnormal blowing or swishing sound heart during auscultation of an artery or organ.
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| calcium channel blockers | Drugs used to treat angina and hypertension. They dilate blood vessels by blocking the influx of calcium into muscle cells lining vessels.
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| cardiac arrest | Sudden, unexpected stopping of heart action; sudden cardiac death.
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| cardiac tamponade | Pressure on the heart caused by fluid in the pericardial space.
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| claudication | Pain, tension, and weakness in a leg after walking has begun, but absence of pain at rest.
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| digoxin | A drug that treats arrhythmias and strengthens the heartbeat.
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| embolus (pl emboli) | A clot or other substance that travels to a distant location and suddenly blocks a blood vessel.
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| infarction | Area of dead tissue.
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| nitrates | Drugs used in the treatment of angina. They dilate blood vessels, increasing blood flow and oxygel to myocardial tissue.
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| nitroglycerin | A nitrtae drug used in the treatment of angina.
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| Occlusion | Closure of a blood vessel
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| palpitations | Uncomfortable sensations in the chest related to cardiac arrhythmias, such as premature ventricular contractions (PVCs).
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| patent | Open.
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| pericardial friction rub | Scrabing or grating noise heard on auscultation of the heart; suggestive of pericarditis.
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| petechiae | Small, pinpoing hemorrhages.
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| statins | Drugs used to lower cholesterol in the bloodstream.
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| thrill | Vibration felt on touching the body over an area of turmoil in blood flow (as a blocked artery).
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| vegetations | Clumps of platelets, clotting proteins, microorganisms, and red blood cells on the endocardium in conditions such as bacterial endocarditis and rheumatic heart disease.
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