Ventricular Rhythms – Pretest

1. Which of the following arrhythmias produce a QRS complex less than 120 milliseconds (0.12 seconds)?

2. In premature ventricular contractions, an upright QRS complex has a corresponding:

3. The downslope of the T wave is prone to premature ventricular complexes because of which phenomenon?

4. Which of the following represents the most vulnerable period on an ECG?

5. Three premature ventricular complexes that occur next to one another are known as a:

6. A repeating pattern of a premature ventricular complex followed by two sinus rhythm complexes is known as a:

7. A sustained run of premature ventricular complexes is called:

8. What rhythm is produced by escape beats?

9. A straight-line pattern on an ECG indicates the absence of electrical activity of the heart. This is known as:

10. A rapid rhythm with no P waves but with a wide, unusual-looking ventricular complex is called: