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.
A synonym is a word that means the same or nearly the same as another word. Synonyms are different words with similar or identical meanings, and may be interchangeable. A synonym is a word that means the same thing as another word. For example, obvious and conspicuous. They mean the same thing, but they are two different words. 18 people found this useful.