Key result
Persistent low QRS voltage after Parvovirus B19 myocarditis is linked to progressive cardiomyopathy and heart failure.
Why the study?
Low QRS voltage may be a risk factor for increased mortality, but its prognostic value in paediatric patients has yet to be defined.
Case Report (n=1)
No
Persistent low QRS voltage in a young patient may serve as a negative prognostic marker for progressive cardiomyopathy and life-threatening arrhythmias, warranting thorough clinical investigation.
Despite being rare within paediatric patients, emerging evidence shows that low QRS voltage may be a risk factor for increased mortality even in formerly healthy patients. The prognostic value of low-voltage electrocardiography in a paediatric population has yet to be defined. Here, we present a case of an adolescent experiencing sudden cardiac arrest after Parvo B19-associated myocarditis. A striking finding was a marked low-voltage electrocardiography throughout the following years.
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Fischer et al. (2026) conducted a case report in Cardiomyopathy and Parvovirus B19-associated myocarditis (n=1). Parvovirus B19-associated myocarditis was evaluated on Clinical presentation and disease progression. Persistent very low-voltage electrocardiography in a young patient following Parvovirus B19-associated myocarditis was associated with progressive cardiomyopathy and severe heart failure.
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