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Electrocardiographic study in asthmatic children

M Tuchinda, P Podhipleux, P Vichitbanda

    Annals of Allergy
    |February 1, 1980
    PubMed
    Summary

    Electrocardiogram (ECG) abnormalities in children with asthma, particularly right atrial and ventricular overload, were linked to asthma severity. More severe symptoms correlated with increased ECG changes in pediatric asthma patients.

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    Area of Science:

    • Pediatric Cardiology
    • Respiratory Medicine
    • Clinical Electrocardiography

    Background:

    • Asthma is a common chronic respiratory disease in children.
    • Electrocardiograms (ECGs) are non-invasive tools used to assess cardiac function.
    • Cardiac involvement in pediatric asthma, especially during acute exacerbations, requires further investigation.

    Purpose of the Study:

    • To investigate electrocardiographic (ECG) findings in children with asthma.
    • To correlate ECG abnormalities with asthma severity and stage of attack.
    • To identify specific ECG patterns indicative of cardiac strain in pediatric asthma.

    Main Methods:

    • Conducted electrocardiograms (ECGs) on 105 asthmatic children aged 3-12 years.
    • Classified participants into four groups based on asthma severity and attack stage.
    • Analyzed ECG parameters including P wave, QRS axis, R and S waves, and ST-T segments.

    Main Results:

    • Significant ECG abnormalities included abnormal P wave, QRS axis, and R/S waves, suggesting right atrial and right ventricular overload.
    • Deep Q waves in specific leads (II, III, aVF) indicative of a rightward initial vector were observed in status asthmaticus cases.
    • Increased frequency and severity of ECG abnormalities were noted in more symptomatic children.

    Conclusions:

    • Asthma exacerbations in children can lead to significant electrocardiographic changes, particularly signs of right heart strain.
    • ECG findings like right atrial and ventricular overload correlate with increased asthma symptom severity.
    • Electrocardiography can be a valuable tool in assessing the cardiac impact of severe asthma attacks in pediatric patients.

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