History:
This ECG was recorded from a 54 year-old man presented with increasing cough and sputum production. He has many episodes of respiratory infection since the age of 9.
ECG shows:
Sinus Tachycardia, 115/min, QRS axis at 90°
Features of right atrial abnormalties:
-abnormally tall P waves in II, III, aVF.
Feature of chronic obstructive airway disease:
-poor R wave progression in chest leads
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