May 18, 2007, Newsletter Issue #113: Best Test for Heart Disease in Women
Tip of the Week
The two most accurate techniques for diagnosing heart disease in women -- technetium and stress echocardiogram -- both involve imaging.
In the first, the patient walks on a treadmill while a radioactive isotope called technetium 99 sestamibi is injected into the bloodstream. Special scanners track blood flow through the heart. Some doctors prefer the stress echocardiogram because itīs less invasive, less expensive and just as accurate. The traditonal ECG works fine for men, but produced false positives in women more than a third of the time and false NEGATIVES a fourth of the time.
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