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Cardiac Arrest Algorithm Flashcards

7 cards from real PALS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Cardiac Arrest Algorithm flashcards as text

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

    Answer: Two-thumb encircling technique

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

  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?

    Answer: 4 J/kg

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

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

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

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

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

    Answer: 94–99%

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

  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?

    Answer: Hyperkalemia

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

  6. During pediatric cardiac arrest resuscitation, which action should be taken IMMEDIATELY after defibrillation?

    Answer: Resume CPR for 2 minutes before checking rhythm again

    CPR should resume immediately after defibrillation without delaying for a pulse or rhythm check; 2 minutes of CPR follow each shock.

  7. When should you consider stopping resuscitative efforts in a pediatric cardiac arrest patient?

    Answer: After prolonged resuscitation with no ROSC and no reversible causes identified, following team discussion

    Decisions to stop resuscitation require clinical judgment based on duration, quality of CPR, reversible causes, and team discussion — no fixed time rule applies.