1. Tombstone ST Elevation Without Myocardial Infarction: A Variant of the “Spiked Helmet” Sign? 
Laszlo Littmann, MD, PhD, Michael H. Monroe, MD 
The American Journal of Medicine 
Volume 126, Issue 8, Pages e9-e10 (August 2013)
DOI: /j.amjmed
Copyright © 2013 Elsevier Inc. Terms and Conditions

2. Figure 1
Apparent ST-segment elevation in the inferior leads. A, Enlargement of the electrocardiogram from the case presented by Chaudhry et al.1 B, Enlargement of the electrocardiogram from one of our cases with the “spiked helmet” sign.2 Note that in both cases the upward shift starts before the onset of the QRS complex. C, German military spiked helmet.
The American Journal of Medicine  , e9-e10DOI: ( /j.amjmed )
Copyright © 2013 Elsevier Inc. Terms and Conditions