Identify the Following Rhythm (Lead II)

question 20

Multiple Choice

Identify the following rhythm (lead II) .

• A) Sinus arrhythmia
• B) Sinus tachycardia
• C) Sinus rhythm with a PAC
• D) Sinus tachycardia with a PAC

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Definitions:

External Validity

The extent to which the findings of a study can be generalized to other settings, populations, or time periods.

Double-masked

A study design where neither the participants nor the experimenters know who is receiving a particular treatment, used to prevent bias.

Epidemiological

Relating to the study of how diseases affect the health and illness of populations.

Longitudinal

Involving repeated observations or examinations of the same subjects over a period of time, usually to study changes or outcomes.