Emphysema : Chronic Obstructive Airway Disease

The ECG manifestations in a patient of COPD:-

  • Decreaesd magnitude of the electrocardiographic deflections
  • The frontal plane P, QRS and T wave axes are all commonly directed to +90 degree
  • P pulmonale :- best seen in inferior leads and is the expression of right atrial enlargement
  • Right Axis Deviation (RAD)
  • Left Axis Deviation (LAD) may be seen in 10% of the patients
  • The S1 S2 S3 synderome may also be seen
  • Right Bundle Branch Block (RBBB)
  • The frontal plane T wave axis
  • T wave is diminished in amplitude in all leads
  • PTa wave appearance due to more prominent atrial repolarisation
  • Arrhythmia in COPD :- Atrial Fibrillation is most common. Other arrhythmias like atrial flutter, atrial extrasystoles, Ectopic atrial tachycardi and Multifocal Atrial Tachycardia may also be seen.

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