Cardiopulmonary Bypass Procedures Video Pretest and Posttest Results (n=31)
| Percentage of Students Answering Correctly | |||
|---|---|---|---|
| Question | Pretest | Posttest | P value |
| 1. What is the most sensitive method to confirm diagnosis of a valvular disease? | 61.3 | 100 | <0.001 |
| 2. What chemical solution is used to stop the heart rate? | 32.3 | 90.3 | <0.001 |
| 3. Who is responsible for contacting the ICU/PACU during and after the procedure in the OR? | 29.0 | 80.6 | <0.001 |
| 4. Place the following steps in the appropriate order for cardiopulmonary bypass. | 6.5 | 41.9 | <0.001 |
| 5. Where is the aortic root vent placed? | 67.7 | 67.7 | NS |
| 6. A coronary sinus catheter is recommended in all cardiopulmonary bypass surgeries. | 41.9 | 71.0 | <0.001 |
| 7. Who operates the cardiopulmonary bypass machine in the OR? | 64.5 | 96.8 | <0.001 |
| 8. What is the purpose of adapting the diffusion tip for arterial cannulation? | 16.1 | 90.3 | <0.001 |
| 9. Where does the surgeon insert the venous cannula? | 12.9 | 77.4 | <0.001 |
Note: Chi-square test was used to compare the percent correct answers before and after viewing the video.
ICU, intensive care unit; NS, not significant; OR, operating room; PACU, postanesthesia care unit.