Atrial fibrillation (A-tre-al fi-bri-LA-shun), or AF, is the most common type of arrhythmia (ah-RITH-me-ah). An arrhythmia is a problem with the rate or rhythm of the heartbeat. During an arrhythmia, the heart can beat too fast, too slow, or with an irregular rhythm.
Detailed Synonyms for also known as in English. also known as: also known as adv. also known as so called; alias; known as; named; what they call; going by the name of; also known as; called so called adj. alias adv. known as adj. named adj. what they call adj.
(neÉªm) n. 1. a word or term by which a person or thing is commonly and distinctively known. 2. mere outward appearance or form as opposed to fact (esp in the phrase in name): he was a ruler in name only. 3. a word, title, or phrase descriptive of character, usually abusive or derogatory: to call a person names.