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 ...
(Rezkalla 2017;2a-b) Management of no-reflow events is controversial ... the symptomatic presentation and the ECG findings, as previously discussed. STEMI is an ACS, involving an unstable ...