multifocal origin of tachycardia within the atrium; often confused with atrial fibrillation during physical examination. Synonym(s): multifocal atrial tachycardia
a·tri·al cha·ot·ic tach·y·car·di·a
(ā'trē-ăl kā-ot'ik tak'i-kahr'dē-ă) Multifocal origin of tachycardia within the atrium; often confused with atrial fibrillation during physical examination. Synonym(s): multifocal atrial tachycardia.