Advanced Cardiovascular Life Support (ACLS) Practice Exam

What is a common but potentially fatal mistake during cardiac arrest management?

1. Exceeding compression depth

2. Prolonged interruptions in chest compressions

3. Not using a defibrillator

4. Failing to obtain an IV access

The correct answer is: Prolonged interruptions in chest compressions

Prolonged interruptions in chest compressions are indeed a common but potentially fatal mistake during cardiac arrest management. Continuous high-quality chest compressions are critical for maintaining blood flow to vital organs, especially the heart and brain. Interruptions can lead to a significant decrease in the effectiveness of CPR, as it takes time to build pressure in the thorax and promote circulation. Each second of interruption can adversely affect the chances of survival, so minimizing the duration of pauses during compressions is vital. While excessive compression depth, not using a defibrillator, and failing to obtain IV access are also important considerations in a cardiac arrest scenario, the most critical factor is maintaining a consistent rate and depth of chest compressions to maximize blood flow. Interruptions not only reduce the effectiveness of resuscitation efforts but can also contribute to a greater likelihood of adverse outcomes, including decreased survival rates. This highlights the importance of teamwork and clear communication during resuscitation efforts to minimize any interruptions in compressions.