SPECT THALLIUM Normal IMAGES

            Female 56 y/o, referred to rule-out  CAD previous to abdominal surgery. Note homogeneous uptake both at stress (pharmacologic) and resting images.  Polar maps are also homogeneous with no significant reversibility focal areas.

            A normal myocardial  perfusion spect has a high Negative Predictive Value to rule-out ischemia due to CAD.

            The probability of having a main cardiac event is similar to  the normal population, i.e. less than 1% per year.

            In this situation the patient prognosis is excellent.

References:

Brown KA. Prognostic value of cardiac imaging in patients with known or suspected coronary artery disease: comparison of myocardial perfusion imaging, stress echocardiography, and position emission tomography. Am J Cardiol. 1995 Apr 13;75(11):35D-41D.
 

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