Figure 1. An electrocardiographic strip showing the elevation in the EKG baseline prior to the QRS with adjoining ST segment elevation more prominent here in AVL. The red arrows represent the St-segment elevation and the black arrows represent the pre-QRS elevation from baseline: ¡®Spiked Helmet Sign¡¯

From

Helmet Sign on EKG: A Rare Indicator of Poor Prognosis in Critically Ill Patients

Fatai Oluyadi, Pramod Theetha Kariyanna, Apoorva Jayarangaiah, Jessica Celenza-Salvatore, Isabel M. McFarlane

American Journal of Medical Case Reports. 2019, 7(10), 260-263 doi:10.12691/ajmcr-7-10-9