Actually I know a cardiothoracic surgeon, and she says its shocking how many times a primary-care or ER doctor misses something in a EKG. Usually listening to t

Actually I know a cardiothoracic surgeon, and she says its shocking how many times a primary-care or ER doctor misses something in a EKG. Usually listening to the heart with a stethoscope at primary-care level gets more diagnostic value, but again things get missed. An EKG has to be cross-checked against other diagnostics to form reasonable diagnostic basis.