2. ID 594a 49 year old man in the Emergency Dept. with severe anterior chest pain of 1 hour duration Obviously this ECG shows an antero-septal injury pattern of acute myocardial infarction, requiring urgent therapy . We will go through a quick step-wise diagnostic process.
3. ID 594a - Normal sinus rhythm, 84/min. Regular sinus-node P waves are present, rate 84/min., followed by QRS complexes The PR interval is normal. There are no signs of right or left atrial enlargement.
4. ID 594a - Normal sinus rhythm, 84/min. The QRS axis is normal (+60 degrees) β The QRS duration is normal (90 msec.) -