A member asked:

P waves usually biphasic in v1 but become only upright with exercise? t waves in leads v2-3 also change with every ekg.

A doctor has provided 1 answer
Dr. Ira Friedlander answered

Specializes in Cardiac Electrophysiology

Lead placement can: make a significant difference in the morphology of the EKG waveforms just as body position can. Sitting or lying while resting makes a significant difference from standing while exercising. None of what you describe sounds worrisome at all.

Answered 2/7/2017

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