A member asked:

How long does an old heart attack show up on an ecg?

3 doctors weighed in across 2 answers

Dr. Calvin Weisberger answered

ECG: Usually always but nothing is always.

Dr Lessnau agreed

Answered 4/7/2013

5.2k views

Thank

Dr. Creighton Wright answered

Specializes in surgery

Likely forever: Once the dead muscle has scarred, the electronic signal usually persists as Q waves or attenuated qrs.

Answered 2/24/2018

5.2k views

Thank

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A member asked:

How long does an old heart attack show up on an ecg?

3 doctors weighed in across 2 answers

Dr. Calvin Weisberger answered

Dr Lessnau agreed

Dr. Creighton Wright answered

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