12 Channel > RCX PLA1 > Acute MI  
       
Sinus rhythm, 57 bpm, first degree AV block with prolonged PQ-interval 0.25 s, Q waves in leads II, III, F and V6, a slight ST-segment elevation in leads II, III, F, preterminal negative T in V5 and V6. This posterolateral infarction is 12 h old.