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  • 60 Years
  • 06/03/2021

Can ECG detect heart blockage?

Doctor 1

Answered by 1 Apollo Doctors

An ECG Can Recognize the Signs of Blocked Arteries. But for further accurecy a CT coronary angiogram can reveal plaque buildup and identify blockages in the arteries, which can lead to a heart attack.

Dr. Anshul Suggests...

Consult a Cardiologist

Answered 04/07/2025

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  1. ECG Utility
    An ECG can record the heart's electrical activity and detect some heart issues, but it doesn't directly show artery blockages.

  2. Detection Limitations

    • It may indicate heart muscle damage or reduced blood flow.
    • It cannot precisely locate or confirm coronary artery blockages.
  3. Further Testing
    For detecting blockages, consider tests like: a. Stress test
    b. Coronary angiography
    c. CT coronary angiogram

  4. Recommendation
    If there are symptoms like chest pain, consult a cardiologist for appropriate tests and treatment. An ECG is a starting point but not definitive for blockages.

Recommended next steps

Consult a Cardiologist or Take a Apollo Stress Impact Management Test

Answered 20/08/2025

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.