From the venerable and informative blog, "EMS12LEAD.com"

Here's an interesting case that addresses the concepts of (1) typical ST elevation / ST morphology and (2) infarct territory. The case is an excellent reminder about how EMS providers and emergency clinicians must never let their guard down and pay attention to the history of present illness! This particular "44 yo male [with] chest tightness" had me at, "hello." Check out the case- and the EMS12LEAD blog- here:

Snapshot case: 44 yo male- chest tightness