The more examples you see, the better. The anteroseptal STEMI ECG example below is good enough to call a tombstone in lead V3. There is no lateral involvement here. Although not quite a tombstone ...

The ECG findings of an acute anterior myocardial infarction wall include: ST segment elevation in the anterior leads (V3 and V4) at the J point and sometimes in the septal or lateral leads ...

NEW YORK, March 25, 2025--(BUSINESS WIRE)--Powerful Medical, a leader in AI-driven cardiovascular diagnostics, announces that its PMcardio STEMI AI ECG model has been granted Breakthrough Device ...