12-Lead ECG Chapter 19 Quiz

Select the best response from the answer choices following each question.

1. An ECG characteristic described as a sawtooth appearance is seen in which one of the following cardiac arrhythmias?

2. Refer to the ECG tracing below from a 61-year-old woman with no subjective complaints. Which one of the following cardiac arrhythmias produces this ECG finding?

3. An ECG tracing that shows an abnormally long R-R interval followed by a QRS complex with an rSr’ configuration without any compensatory pause is brought about by which aberration in atrial fibrillation?

4. Which one of the following interventions is not used to treat atrial fibrillation?

5. Which of the following descriptions accurately differentiates a premature atrial contraction (PAC) from a premature ventricular contraction (PVC)?