What question did this study set out to answer?

The research aims to investigate how changes in rescuer heart rate during exercise affect the quality of infant CPR.

January 10, 2026BMC Medical Education0 citationsOpen Access

Effect of rescuer heart rate changes on the quality of infant CPR: a simulation-based study

DKDa Hyun KimUlsan College SCSeung Jun Choi

Key Result

Exercise-induced heart-rate elevation in rescuers was not associated with measurable deterioration in the quality of infant CPR during a three-cycle simulation.

Key Points

The research aims to investigate how changes in rescuer heart rate during exercise affect the quality of infant CPR.
Conducted a three-cycle simulation study
Monitored heart rate changes during the CPR
Evaluated CPR quality metrics after exercise
Heart rate elevation from exercise did not impact CPR quality
No measurable deterioration was observed during the simulations
CPR performance remained consistent despite heart rate changes

Structured PICO

Does exercise-induced heart rate elevation reduce the quality of infant CPR performed by pediatric nurses?

Population

27 PALS-certified pediatric emergency nurses from a tertiary academic referral hospital. Excluded: pregnant individuals or those with health conditions that could interfere with participation.

Intervention

90-second jumping jack exercise performed at predefined time points to induce heart rate elevation (Group A: before 1st cycle, Group B: between 1st and 2nd cycles, Group C: between 2nd and 3rd cycles) during a protocol of three 2-minute cycles of infant chest compressions on a manikin with 1-minute rest periods.

Comparator

Comparisons were made among the three groups with different exercise timings, and between high (>67.7%) vs. low (<67.7%) heart rate change groups.

Outcome

Difference in CPR parameters (total number of compressions, hand-placement accuracy, mean compression velocity, compression depth, and degree of recoiling) among the three groups according to heart rate variation.surrogate

Exercise-induced heart-rate elevation, used as a surrogate for physical fatigue, does not significantly degrade the quality of infant chest compressions during a short simulation.

Main Result

Absolute Event Rate: 0% vs 0%

Abstract

Within this short, three-cycle simulation, exercise-induced heart-rate elevation was not associated with measurable deterioration in infant CPR quality.

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