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Definition of Arrhythmia

Babylon English

irregular heartbeat (Medicine)
Arrhythmia Definition from Business & Finance Dictionaries & Glossaries
Company Info: Ticker, Name, Description
Arrhythmia Research Technology Inc.
Exchange: AMEX
Markets and distributes computerized medical instruments which monitor, record and analyze electrical impulses of the heart to detect and aid in the treatment of potentially lethal arrhythmias; And manufactures and distributes silver/silver chloride-plated sensor elements used in the manufacture of disposable
Arrhythmia Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Cardiac arrhythmia, also known as cardiac dysrhythmia or irregular heartbeat, is a group of conditions in which the heartbeat is irregular, too fast, or too slow. A heartbeat that is too fast - above 100 beats per minute in adults - is called tachycardia and a heartbeat that is too slow - below 60 beats per minute - is called bradycardia. Many types of arrhythmia have no symptoms. When symptoms are present these may include palpitations or feeling a pause between heartbeats. More seriously there may be lightheadedness, passing out, shortness of breath, or chest pain. While most types of arrhythmia are not serious some predispose a person to complications such as stroke or heart failure. Others may result in cardiac arrest.

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Arrhythmia Definition from Sports Dictionaries & Glossaries
Scuba Diving
Irregularity in the rhythm and rate of the heart, particularly dangerous to divers due to the underwater environment.
Arrhythmia Definition from Entertainment & Music Dictionaries & Glossaries
English to Federation-Standard Golic Vulcan
ritsuri nel-dath t'khaf-spol
Arrhythmia Definition from Medicine Dictionaries & Glossaries
Heart Failure Glossary
An irregular heartbeat.
Cardiomyopathy glossary
An irregular heartbeat.
Dictionary of Medicine (Shahram)
noun
variation in the rhythm of the heartbeat
see also ANTI-ARRHYTHMIC
QUOTE:Cardiovascular effects may include atrial arrhythmias but at 30ºC there is the possibility of spontaneous ventricular fibrillation British Journal of Nursing
Hepatitis Central (TM) Liver Disease Medical Glossary
Any variation from the normal rhythm of the heartbeat; it may be an abnormality of either the rate, regularity, or site of impulse origin or the sequence of activation
Aids Glossary
loss of normal rhythm, especially irregularities of the heartbeat.
Aegis
Arrhythmia Definition from Language, Idioms & Slang Dictionaries & Glossaries
WordNet 2.0

Noun
1. an abnormal rate of muscle contractions in the heart
(synonym) cardiac arrhythmia
(hypernym) heart disease, heart condition, cardiopathy
(hyponym) flutter