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.
Another word for such a bacteria, virus, or parasite is âpathogen.â Foodborne illness, often called food poisoning, is an illness that comes from a food you eat. 1  The food supply in the United States is among the safest in the world â but it can still be a source of infection for all persons.