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Related Experiment Videos

A simplified Master's two-step test for preschool children.

M Yoshinaga, S Oku, S Aihoshi

    Acta Paediatrica Japonica : Overseas Edition
    |October 1, 1989
    PubMed
    Summary

    The simplified Master's two step test (s-MTT) is a useful screening tool for children aged 4-6. This pediatric cardiology test effectively assesses exercise capacity in young patients.

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    Area of Science:

    • Pediatric Cardiology
    • Exercise Physiology

    Background:

    • Assessing cardiovascular health in young children requires reliable and accessible testing methods.
    • The Master's two step test (MTT) is a common exercise stress test, but a simplified version (s-MTT) may be more suitable for pediatric populations.

    Purpose of the Study:

    • To evaluate the utility of a simplified Master's two step test (s-MTT) for preschool children aged 4-6.
    • To compare the exercise load and physiological responses of s-MTT with the treadmill exercise test (TET).

    Main Methods:

    • s-MTT was performed in a pediatric cardiology clinic using specialized equipment for children aged 4-6.
    • Subjects included children with Kawasaki disease and arrhythmias.
    • Treadmill exercise test (TET) was conducted on the same day for comparative analysis of exercise load.

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  • Oxygen uptake was measured during s-MTT in a separate group of outpatients.

    • Main Results:

    • No significant differences were observed in peak heart rate (HR), post-exercise HR, or performance ratio compared to previous reports.
    • The s-MTT elicited peak HR and immediate post-exercise HR that were approximately 91% of those achieved during TET.
    • Average oxygen uptake during s-MTT was 23.2 +/- 4.1 ml/min/kg in eight outpatients.

    Conclusions:

    • The simplified Master's two step test (s-MTT) is a practical and effective screening tool for children aged 4-6.
    • s-MTT provides comparable exercise load to TET, making it suitable for pediatric cardiology evaluations.
    • This test can be readily implemented in various laboratory settings for routine screening.