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An electrocardiogram (ECG) records the electrical activity of the heart. It produces a trace of the heart working and the trace for an individual can be compared to that of a normal, healthy heart. A left atrial abnormality means that the ECG for the heart in question shows that there is something wrong with the electrical signal relating to the heart's left atrium.

The left atrium is one of four chambers in the heart. It receives oxygenated blood from the pulmonary veins, and pumps it into the left ventricle, via the mitral valve.

You need to get the doctor to explain the CAUSE of the anomalous electrical signal.

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Q: What does left atrial abnormality in ecg mean?
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A large P wave on an ECG typically indicates an abnormality in the electrical activity of the atria of the heart. This could be due to conditions such as atrial enlargement, atrial fibrillation, or other atrial arrhythmias. Further evaluation by a healthcare provider may be needed to determine the underlying cause.


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What is atrial repolarization indicated by?

The atrial repolarization occurs during the QRS complex of the ECG but is obscured by the ventricle depolarization.


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What wave comes after the t wave of an ECG?

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