A member asked:

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

A doctor has provided 1 answer
Dr. Ira Friedlander answered

Specializes in Cardiac Electrophysiology

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.

Answered 6/8/2017

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