ECG Quest > Rhythms > Extra Beats > Atrial ectopic beat

Atrial ectopic beat

An atrial ectopic beat is an extra beat that originates from within the atria. The P wave is usually an abnormal shape compared to the normal beat preceding it.

See also: Extra Beats

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In the ECGquest archives, this ECG has been tagged with: - Chest pain Dyspnoea Inverted T waves Atrial ectopic beat Normal Sinus Rhythm Acute right heart strain Pulmonary embolism 12-Lead Dr Smith's ECG Blog CC BY-NC
An elderly woman transferred to you for chest pain, shortness of breath, and positive troponin – does she need the cath lab now?

This ECG is from an elderly woman who presented with sudden onset shortness of breath after months of inactivity due to a back injury.

This ECG shows sinus tachycardia with large inverted T waves, consistent with right heart strain. The cause was a very large PE.