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A 18-year-old female asked:

what leads are normal to have t wave inversion? are p waves always upright?

1 doctor answer1 doctor weighed in
Dr. Donald Colantino
Internal Medicine 61 years experience
EKG: P waves are normally upright. T waves in healthy young individuals are usually upright in leads 1,2, AVL, V4,V5,and V6. Other leads may have inverted T waves and still be normal. These are just guidelines,however as normal variants are common in EKG's, especially in young individuals.

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Last updated Feb 4, 2021

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