The "Spiked Helmet Sign" on Electrocardiogram Following Left Ventricular Assist Device Implantation: A Case Report.

Ann Noninvasive ElectrocardiolSep 27, 2026

Qin Qian, Ling Yin

✦ AI-curated · Sources linked

Case in brief

A 68-year-old male with end-stage ischemic cardiomyopathy underwent left ventricular assist device (LVAD) implantation. Shortly after the procedure, his ECG displayed the 'Spiked Helmet Sign' alongside QTc prolongation. Echocardiography revealed a 6-mm localized pericardial hematoma. The patient was managed conservatively, leading to a successful outcome.

Diagnostic / clinical pearl

The 'Spiked Helmet Sign' on ECG following LVAD implantation may indicate localized pericardial hematoma and should prompt immediate echocardiography.

Source

Published in Ann Noninvasive Electrocardiol. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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