Atrial Flutter Glossary of Terms

The following are health and medical definitions of terms that appear in the Atrial Flutter article.

Ablation: Removal or excision. Ablation is usually carried out surgically. For example, su...

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Abnormal: Outside the expected norm, or uncharacteristic of a particular patient.

Ambulatory: Able to walk about, not bedridden or immobile.

Anesthesia: Loss of feeling or awareness, as when an anesthetic is administered before sur...

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Anesthetic: A substance that causes lack of feeling or awareness, dulling pain to permit s...

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Angina: Chest pain due to an inadequate supply of oxygen to the heart muscle. The pain is ...

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Anticoagulant: An agent that is used to prevent the formation of blood clots. Anticoagulan...

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Anxiety: A feeling of apprehension and fear, characterized by physical symptoms such as pa...

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Arrhythmia: An abnormal heart rhythm.

Aspirin: Once the Bayer trademark for acetylsalicylic acid, now the common name for this a...

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Atherosclerosis: A process of progressive thickening and hardening of the walls of medium-...

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Atria: The plural of atrium.

Atrial: Pertaining to the atria, the upper chambers of the heart, as in atrial fibrillatio...

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Atrial fibrillation: An abnormal and irregular heart rhythm in which electrical signals ar...

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Atrial flutter: Well-organized but overly rapid contractions of the atrium of the heart (u...

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Atrium: An entry chamber. On both sides of the heart, the atrium is the chamber that leads...

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AV node: Atrioventricular node.

Blood clot: A mass of coagulated blood. A blood clot can block a major blood vessel, causi...

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Blood clots: Blood that has been converted from a liquid to a solid state. Also called a t...

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Blood pressure: The blood pressure is the pressure of the blood within the arteries. It is...

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Brain: The portion of the central nervous system that is located within the skull. It func...

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Caffeine: A stimulant compound found naturally in coffee, tea, cocoa (chocolate), and kola...

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Calcium: A mineral found mainly in the hard part of bones, where it is stored. Calcium is ...

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Cardiac: Having to do with the heart.

Cardiologist: A physician who specializes in treating heart disorders.

Cardiology: The study and treatment of heart disorders.

Cardiomyopathy: Disease of the heart muscle (myocardium).

Cardioversion: The conversion of a cardiac rhythm or electrical pattern to another, genera...

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Catheter: A thin, flexible tube.

Chest: The area of the body located between the neck and the abdomen. The chest contains t...

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Chest pain: Pain in the chest that can be a result of many things, including angina, heart...

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Cholesterol: The most common type of steroid in the body. Cholesterol has a reputation for...

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Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

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Chronic obstructive pulmonary disease: COPD. Any disorder that persistently obstructs bron...

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Cocaine: A substance derived from the leaves of the coca plant that is a bitter, addictive...

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Complication: In medicine, an unanticipated problem that arises following, and is a result...

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Congestive heart failure: Inability of the heart to keep up with the demands on it, with f...

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Contraction: The tightening and shortening of a muscle.

COPD: Chronic obstructive pulmonary disease. Any disorder that persistently obstructs bron...

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Defibrillation: The use of a carefully controlled electric shock, administered either thro...

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Defibrillator: A device that corrects an abnormal heart rhythm by delivering electrical sh...

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ECG: Electrocardiogram.

Electrocardiogram: A recording of the electrical activity of the heart. Abbreviated ECG an...

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Electrolyte: A substance that dissociates into ions in solution and acquires the capacity ...

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Embolism: The obstruction of a blood vessel by a foreign substance or a blood clot that tr...

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Emergency department: The department of a hospital responsible for the provision of medica...

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Emphysema: is a lung condition featuring an abnormal accumulation of air due to enlargemen...

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Fats: Plural of the word "fat". See the definition of fat.

Fetus: An unborn offspring, from the embryo stage (the end of the eighth week after concep...

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Fibrillation: In cardiology, an abnormal and erratic twitching of the heart muscle.

Flutter: Flutter is a rapid vibration or pulsation. The difference between flutter and fib...

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Gland: A group of cells that secrete a substance for use in the body. For example, the thy...

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Heart: The muscle that pumps blood received from veins into arteries throughout the body. ...

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Heart attack: The death of heart muscle due to the loss of blood supply. The loss of bloo...

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Heart disease: Any disorder that affects the heart. Sometimes the term "heart disease" is ...

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Heart failure: Inability of the heart to keep up with the demands on it and, specifically...

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Heart muscle: A type of muscle with unique features only found in the heart. The heart mus...

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Heart rate: The number of heartbeats per unit of time, usually per minute. The heart rate ...

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Heart valves: There are four heart valves. All are one-way valves. Blood entering the ...

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Heparin: An anticoagulant (anti-clotting) medication. Heparin is useful in preventing thro...

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High blood pressure: A repeatedly elevated blood pressure exceeding 140 over 90 mmHg. Chro...

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Holter monitor: A type of portable heart monitor that is a small electrocardiogram (EKG) d...

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Hypertension: High blood pressure, defined as a repeatedly elevated blood pressure exceedi...

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Hypertrophy: Enlargement or overgrowth of an organ or part of the body due to the increase...

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Ischemia: Inadequate blood supply to a local area due to blockage of blood vessels leading...

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Left atrium: The upper right chamber of the heart. The left atrium receives oxygenated blo...

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Left ventricle: The left lower chamber of the heart that receives blood from the left atri...

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Lungs: The lungs are a pair of breathing organs located with the chest which remove carbon...

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Mitral valve: A valve in the heart that is situated between the left atrium and the left v...

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Mouth: 1. The upper opening of the digestive tract, beginning with the lips and con...

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Muscle: Muscle is the tissue of the body which primarily functions as a source of power. T...

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Muscular: Having to do with the muscles. Also, endowed with above average muscle developme...

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Node: Literally a knot, a node is a collection of tissue. For example a lymph node, is a ...

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Open heart surgery: Surgery in which the chest is opened and surgery is performed on the h...

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Oxygen: The odorless gas that is present in the air and necessary to maintain life. Oxygen...

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Pacemaker: A system that sends electrical impulses to the heart in order to set the hear...

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Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Palpitations: Unpleasant sensations of irregular and/or forceful beating of the heart. In ...

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Pregnancy: The state of carrying a developing embryo or fetus within the female body. Thi...

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Primary care: A patient's main source for regular medical care, ideally providing continui...

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Primary care provider: In insurance parlance, a physician who is chosen by or assigned to ...

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Probe: 1: In surgery, a probe is a slender flexible rod with a blunt end used to explore, ...

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Pulmonary: Having to do with the lungs.

Pulmonary embolism: Sudden closure of a pulmonary artery or one of its branches, caused by...

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Pulse: The rhythmic dilation of an artery that results from beating of the heart. Pulse is...

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Recur: To occur again; to return. For example, a symptom, sign, or disease can recur.

Right atrium: The right upper chamber of the heart. The right atrium receives deoxygenated...

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Sensation: In medicine and physiology, sensation refers to the registration of an incoming...

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Shock: In medicine, a critical condition that is brought on by a sudden drop in blood flow...

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Shortness of breath: Difficulty in breathing. Medically referred to as dyspnea. Shortness ...

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Sinus: 1. An air-filled cavity in a dense portion of a skull bone. The sinuses decr...

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Sinus node: The sinus node is one of the major elements in the cardiac conduction system, ...

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Sinus rhythm: The normal regular rhythm of the heart set by the natural pacemaker of the h...

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Stomach: The digestive organ that is located in the upper abdomen, under the ribs. The upp...

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Stroke: The sudden death of brain cells due to lack of oxygen, caused by blockage of blood...

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Subcutaneous: Under the skin. For example, a subcutaneous injection is an injection in whi...

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Surgery: The branch of medicine that employs operations in the treatment of disease or inj...

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Syncope: Partial or complete loss of consciousness with interruption of awareness of one...

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Tachycardia: A rapid heart rate, usually defined as greater than 100 beats per minute.

Thyroid: 1. The thyroid gland. Also, pertaining to the thyroid gland. 2. A p...

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Thyroid gland: A gland that makes and stores hormones that help regulate the heart rate, b...

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Tricuspid: Having three flaps or cusps. For example, the aortic valve and the tricuspid va...

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Tricuspid valve: One of the four heart valves, the first one that blood encounters as it e...

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Ultrasound: High-frequency sound waves. Ultra-sound waves can be bounced off tissues by us...

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Ventricle: A chamber of an organ. For example, the four connected cavities in the central ...

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Ventricles: 1, The right ventricle and the left ventricle, the lower two chambers o...

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Ventricular: Pertaining to the ventricles, the lower chambers of the heart, as in ventricu...

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Vessel: A tube in the body that carries fluids. Examples of vessels are blood vessels and ...

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Vital: Necessary to maintain life. For example, breathing is a vital function.

Warfarin: An anticoagulant drug (brand names: Coumarin, Panwarfin, Sofarin) taken to prev...

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Medical Dictionary