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EMR Unit 4

vocab words

TermDefinition
Acute coronary syndrome Term that describes a range of clinical conditions, including unstable angina, that are due to insufficient blood supply to the heart muscle resulting from coronary heart disease (CHD).
Acute myocardial ischemia An episode of chest pain due to reduced blood flow to the heart muscle.
Angina pectoris Pain in the chest that comes and goes at different times; caused by a lack of oxygen reaching the heart; can be stable (occurring under exertion or stress) or unstable (occurring at rest, without reason).
Arrhythmia Disturbance in the regular rhythmic beating of the heart.
Asystole A condition where the heart has stopped generating electrical activity.
Atherosclerosis A condition in which deposits of plaque, including cholesterol build up on the inner walls of the arteries, causing them to harden and narrow, reducing the amount of blood that can flow through; develops gradually and can go undetected for many years.
Atrial fibrillation Irregular and fast electrical discharges of the heart that lead to an irregular heartbeat; the most common type of abnormal cardiac rhythm.
Atrioventricular node A cluster of cells in the center of the heart, between the atria and ventricles; serves as a relay to slow down the signal received from the sinoatrial (SA) node before it passes through to the ventricles.
Automated external defibrillator A portable electronic device that analyzes the heart’s electrical rhythm and, if necessary, can deliver an electrical shock to a person in cardiac arrest.
Cardiac arrest A condition in which the heart has stopped or beats too irregularly or weakly to pump blood effectively.
Cardiac chain of survival A set of four critical steps in responding to a cardiac emergency
Cardiopulmonary resuscitation A technique that combines chest compressions and ventilations to circulate blood containing oxygen to the brain and other vital organs for a person whose heart and breathing have stopped.
Cardiovascular disease A disease affecting the heart and blood vessels.
Chest compressions A technique used in CPR, in which external pressure is placed on the chest to increase the level of pressure in the chest cavity and cause the blood to circulate through the arteries.
Cholesterol A fatty substance made by the liver and found in foods containing animal or animal products; diets high in cholesterol contribute to the risk of heart disease.
Commotio cordis Sudden cardiac arrest from a blunt, non-penetrating blow to the chest, of which the basis is ventricular fibrillation (V-fib) triggered by chest wall impact immediately over the heart.
Congestive heart failure A chronic condition in which the heart no longer pumps blood effectively throughout the body.
Coronary heart disease A disease in which cholesterol and plaque build up on the inner walls of the arteries that supply blood to the heart; also called coronary artery disease (CAD).
Defibrillation An electrical shock that disrupts the electrical activity of the heart long enough to allow the heart to spontaneously develop an effective rhythm on its own.
Electrocardiogram A test that measures and records the electrical activity of the heart.
Heart A fist-sized muscular organ that pumps blood throughout the body.
Hypertension Another term for high blood pressure.
Implantable cardioverter-defibrillator A miniature version of an AED, implanted under the skin, that acts to automatically recognize and help correct abnormal heart rhythms.
Myocardial infarction The death of cardiac muscle tissue due to a sudden deprivation of circulating blood; also called a heart attack.
Normal sinus rhythm The normal, regular rhythm of the heart, set by the SA node in the right atrium of the heart.
Pacemaker A device implanted under the skin, sometimes below the right collarbone, to help regulate heartbeat in someone with a weak heart, a heart that skips beats or one that beats too fast or too slow.
Risk factors Conditions or behaviors that increase the chance that a person will develop a disease.
Silent heart attack A heart attack during which the patient has either no symptoms or very mild symptoms that the person does not associate with heart attacks; mild symptoms include indigestion or sweating.
Sinoatrial node A cluster of cells in the right atrium that generates the electrical impulses that set the pace of the heart’s natural rhythm.
Sudden cardiac arrest A condition where the heart’s pumping action stops abruptly, usually due to abnormal heart rhythms called arrhythmias, most commonly V-fib; unless an effective heart rhythm is restored, death follows within a matter of minutes.
Transdermal medication patch A patch on the skin that delivers medication; commonly contains nitroglycerin, nicotine or other medications; should be removed prior to defibrillation.
Ventricular fibrillation A life-threatening heart rhythm in which the heart is in a state of totally disorganized electrical activity.
Ventricular tachycardia A life-threatening heart rhythm in which there is very rapid contraction of the ventricles.
Created by: mkliewer
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