Stepwise interpretation #9
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A 49-year-old man presented to the emergency department with 1 hour of severe anterior chest pain. An ECG showed normal sinus rhythm at 84 beats per minute with no signs of right or left atrial enlargement and a normal QRS axis and duration. The ECG revealed marked ST elevation in leads V1-V4, consistent with an antero-septal injury pattern diagnostic of an acute antero-septal myocardial infarction.
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Stepwise interpretation #9
- 1. Stepwise interpretation of ECG ID 594a
- 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
- 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) – The QRS duration is normal (90 msec.) -
- 5. ID 594a Final diagnosis: -Normal sinus rhythm, 84/min. - Antero-septal injury pattern -( Acute antero-septal infarction) No signs of ventricular hypertrophy. No QRS changes of infarction. There is marked ST elevation in V1-V4: injury pattern, in keeping with acute antero-septal infarction
- 6. ID 594a Final diagnosis: -Normal sinus rhythm, 84/min. - Antero-septal injury pattern -( Acute antero-septal infarction) No signs of ventricular hypertrophy. No QRS changes of infarction. There is marked ST elevation in V1-V4: injury pattern, in keeping with acute antero-septal infarction