Heart test of 'limited value'

A new study in the British Medical Journal suggests, instead of electrocardiograms or EKG testing, doctors should spend more time quizzing patients about their symptoms and examining them.

In this study almost half of all coronary events such as heart attacks that happened during testing happened in patients whose EKG results had not shown any sign of problems.

Researchers concluded that the tests were of "limited value" to doctors faced by patients with no prior heart disease.

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