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Multifocal Atrial Tachycardia by ECG Finding
An electrocardiographic finding of a supraventricular arrhythmia characterized by 3 or more distinct P wave morphologies with an isoelectric baseline, variable PR intervals and no predominant atrial rhythm. The ventricular rate is typically 100-150 beats per minute. (NCI Thesaurus/CDISC)
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