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Is an upright P wave V1 and inverted P wave aVL with tachycardia indicative of ectopic rhythm? other ekg shows biphasic P wave V1, upright P wave aVL

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Dr. Ira Friedlander
Cardiology - Cardiac Electrophysiology

In brief: If the tachycardia

is occurring at rest with changes in the P wave morphology then it might be an ectopic atrial tachycardia.
If it is occurring during exercise it is not diagnostic and may still be a normal sinus mechanism.

In brief: If the tachycardia

is occurring at rest with changes in the P wave morphology then it might be an ectopic atrial tachycardia.
If it is occurring during exercise it is not diagnostic and may still be a normal sinus mechanism.
Dr. Ira Friedlander
Dr. Ira Friedlander
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