Basic Life Support (BLS) Practice Exam

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When should an anterior/posterior placement for AED pads be used on a child?

If AED pads risk touching each other
If the child is larger than average
Only for infants
During ventricular fibrillation

The correct answer is: If AED pads risk touching each other

The anterior/posterior placement for AED pads is particularly indicated when there is a risk of the pads touching each other. This can happen when using pads on smaller pediatric patients, especially if they are near the threshold of size where standard pad placement might not be effective. In this scenario, positioning one pad on the front of the chest (anterior) and the other on the back (posterior) helps ensure effective delivery of the shock while minimizing the risk of pad contact. This technique can help facilitate the flow of the electrical current across the heart, which is especially critical in cases of cardiac arrest. The other options do not represent situations in which the anterior/posterior placement is specifically recommended for children. For instance, larger children may still be suitable for standard pad placement if they fall within a certain size range, and while infants often require specific sizing and placement considerations, the anterior/posterior approach is not exclusively reserved for them.