1. ST Elevation Anterior “Spiked Helmet” Sign
János Tomcsányi, MD, PhD, Tamás Frész, MD, Béla Bózsik, MD 
Mayo Clinic Proceedings 
Volume 87, Issue 3, (March 2012)
DOI: /j.mayocp
Copyright © 2012 Mayo Foundation for Medical Education and Research Terms and Conditions

2. FIGURE
The “spiked helmet” sign. Atrial fibrillation and ST-segment elevation in leads V2 through V4. The dome-and-spike sign is most pronounced in leads V3 and V4.
Reprinted from J Electrocardiol,2 with permission from Elsevier.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2012 Mayo Foundation for Medical Education and Research Terms and Conditions