Key result
Black spider bite triggers transient rhabdomyolysis, myocarditis, and PVCs in a pediatric case.
Why the study?
Rhabdomyolysis and myocarditis after spider bite have rarely been reported, and arrhythmia associated with latrodectism in children had not been described in the literature.
Case Report (n=1)
No
Answers are grounded in this paper and cite their sources.
May signal arrhythmia risk after pediatric latrodectism; leaves open need for routine ECG monitoring.
BACKGROUND: Rhabdomyolysis after spider bite has been reported in a small number of patients, and myocarditis in even fewer. However, arrhythmia associated with latrodectism in children has not been described in the literature to date. CASE SUMMARY: A girl presented approximately 4.5 h after being bitten on the left ankle by a black spider. Two unifocal premature ventricular contractions (PVCs) were observed on the electrocardiogram. In laboratory tests, creatine kinase was elevated. On day 2, levels of troponin, pro-brain and natriuretic peptide were elevated. Electrocardiogram revealed inverted and biphasic T waves. Echocardiography revealed mild left ventricular dilation, mitral and aortic valve regurgitation. Holter electrocardiogram showed PVCs. Her laboratory and echocardiography findings completely normalized after discharge, and no arrhythmia was observed on the Holter electrocardiogram during outpatient follow-up. CONCLUSION: Although spider bites are uncommon, they can cause serious systemic effects. These patients should be evaluated for arrhythmia, rhabdomyolysis and myocarditis.
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Yılmaz et al. (2021) conducted a case report in Rhabdomyolysis, myocarditis, and arrhythmia following black spider bite (latrodectism) (n=1). Black spider bite (latrodectism) was evaluated on Rhabdomyolysis, myocarditis, and arrhythmia (premature ventricular contractions). A black spider bite in 1 female child presented 4.5 hours post-bite with rhabdomyolysis, myocarditis, and 2 unifocal PVCs on ECG, with complete normalization after discharge.
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