Wide P waves

wide P wave is more than 3 small squares wide (120 ms) at standard settings. This can be associated with left atrial enlargement, but it is not diagnostic. If the P wave is wide and notched, it may be known as P mitrale because of the association between left atrial enlargement and mitral valve disease.

See also: P wave

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Featured Example

References

ECG Library (14)

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In the ECGquest archives, this ECG has been tagged with: - Weakness 12-Lead LA/RA electrode reversal Extreme Axis Flat T waves Wide P waves ECG of the Week CC-BY-NC-SA
ECG of the Week – 9th July 2018 – Interpretation

This ECG is from a woman in her 80s who presented with lethargy and weakness, on a background of schistosomiasis-related liver disease, portal hypertension and ascites.

In the ECGquest archives, this ECG has been tagged with: - Chest pain 12-Lead Wide P waves Sinus arrhythmia ECG of the Week CC-BY-NC-SA
ECG of the Week – 11th June 2018 – Interpretation
In the ECGquest archives, this ECG has been tagged with: - 12-Lead Incorrect Machine Interpretation RSR' Wide P waves Wide QRS First degree AV block RBBB ECG Guru CC-BY-NC-SA
Right Bundle Branch Block With Machine Interpretation Error | ECG Guru – Instructor Resources