PALS Cardiac Arrest Algorithm 5

Question 1

During two-rescuer infant CPR without an advanced airway, which technique is preferred for chest compressions?

Accepted Answer

Two-thumb encircling technique

Answer

The two-thumb encircling technique is preferred for two-rescuer infant CPR because it generates higher coronary perfusion pressure.

Question 2

A 10-year-old in VF receives 2 J/kg shock, CPR resumes. At the next check, VF persists. Epinephrine has been given. What defibrillation energy should be used for the SECOND shock?

Accepted Answer

4 J/kg

Answer

The second and subsequent defibrillation doses should be 4 J/kg (double the initial dose).

Question 3

Which of the following scenarios BEST represents a shockable pediatric cardiac arrest rhythm?

Accepted Answer

A monitor shows coarse, irregular waveforms and the child has no pulse

Answer

Coarse, irregular waveforms without a pulse describe ventricular fibrillation, which is a shockable rhythm.

Question 4

What is the recommended target oxygen saturation AFTER return of spontaneous circulation (ROSC) in a pediatric patient?

Accepted Answer

94–99%

Answer

After ROSC, titrate oxygen to maintain SpO2 of 94–99% to avoid both hypoxia and hyperoxia.

Question 5

Which H in the PALS H's and T's refers to an electrolyte abnormality that can cause cardiac arrest and is treated with calcium chloride?

Accepted Answer

Hyperkalemia

Answer

Severe hyperkalemia can cause fatal arrhythmias and cardiac arrest; calcium chloride stabilizes the myocardial membrane.

PALS - Pediatric Advanced Life Support Practice Test

PALS - Pediatric Advanced Life Support Practice Test

PALS Cardiac Arrest Algorithm 5