A member asked:

My ecg shows "left anterior fascicular block' and also indicated :cannot rule out inferior infarct. what it means and is it dangerous? what caused it.

A doctor has provided 1 answer

See below: LAFB is a delay in cardiac conduction in the range of 20 milliseconds (+/- 10 ms) with a shift in the axis to the left. It causes no symptoms and is not dangerous. Most common causes are normal aging, high blood pressure, and coronary disease. "Cannot rule out inferior infarct" is a frequent finding that has meaning only if you are known to have blocked arteries. There is no room here 4 details.

Answered 10/12/2017

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