Patient Care Technician (PCT) AAH Practice Exam

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What term is used to describe more than one premature beat that are of different types?

Multifocal
Ventricular
Unifocal
Idiopathic

The correct answer is: Multifocal

The term "multifocal" is used to describe more than one premature beat that are of different types because it indicates that the premature beats originate from multiple distinct sites within the heart. This contrasts with other terms that are used to describe arrhythmias originating from a single site. For instance, "unifocal" refers to premature beats arising from one specific point, while “ventricular” denotes beats that originate from the ventricles, and “idiopathic” is a term used for conditions without a known cause. Therefore, multifocal accurately captures the concept of varying types of premature beats from different foci, highlighting the diversity in their origin.