Practice Test Geeks(PEARS) Pediatric Emergency Assessment, Recognition, and Stabilization Practice Test
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Pediatric Dysrhythmia Recognition Flashcards

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

Read the first 7 Pediatric Dysrhythmia Recognition flashcards as text

  1. What is the normal resting heart rate range for a 2-year-old child?

    Answer: 80-130 bpm

    The normal resting heart rate for a toddler aged 1-3 years is approximately 80-130 bpm, which is higher than adult norms.

  2. Which ECG characteristic is most typical of supraventricular tachycardia (SVT) in children?

    Answer: Narrow QRS complex at 220-300 bpm with absent or abnormal P waves

    SVT in children typically presents with a narrow QRS complex, a very rapid rate (often 220-300 bpm), and P waves that are absent or hidden in the T wave.

  3. A 6-year-old presents with sudden palpitations and a heart rate of 230 bpm; ECG shows narrow QRS complexes with no identifiable P waves. What is the most likely rhythm?

    Answer: Supraventricular tachycardia

    SVT characteristically presents as a very rapid narrow-complex tachycardia with absent or retrograde P waves and an abrupt onset in children.

  4. What is the preferred vagal maneuver for SVT in an infant?

    Answer: Ice water facial immersion

    Ice water facial immersion (diving reflex) is the safest and most effective vagal maneuver for infants because it does not require patient cooperation.

  5. What is ventricular tachycardia (VT) characterized by on ECG?

    Answer: Wide QRS complex (≥0.09 sec in children) at a rate greater than 120 bpm

    Ventricular tachycardia is defined by a wide QRS complex (≥0.09 sec in children) at a rate greater than 120 bpm, originating from the ventricles.

  6. Which rhythm is characterized by chaotic, irregular electrical activity with no identifiable P waves or QRS complexes?

    Answer: Ventricular fibrillation

    Ventricular fibrillation produces chaotic, disorganized electrical activity with no recognizable P waves or QRS complexes, resulting in no effective cardiac output.

  7. At what heart rate does symptomatic bradycardia with poor perfusion in a child require CPR per PEARS guidelines?

    Answer: Less than 60 bpm

    PEARS/PALS guidelines specify that symptomatic bradycardia below 60 bpm with poor perfusion, despite adequate oxygenation and ventilation, requires CPR.

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Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. cpr.heart.org — Test delivery, eligibility, exam format, passing score, time limit, score validity · verified Oct 2026