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Radionuclide myocardial perfusion imaging (MPI) can be used to demonstrate the presence of coronary heart disease and to risk stratify and guide management of patients with known disease. Treadmill test which is commonly used as screening test for CAD, and with help of DTS can to some extent accurately risk stratify the patients as well. Aim of the study was to compare Duke treadmill score and MPI in risk stratifying the patient with CAD. 130 patients were considered in the study. Most of the patients fell in moderate Dukes score (78 patients, 60%). MPI could further stratify those patients into high (28 patients, 36%) and low risk (50 patients, 64%) groups. Low and high Dukes scores correlated well with normal and severe defects in MPI respectively. Hence it is advisable to perform MPI in moderate Dukes Score patients for further risk stratification.

Key Word: Dukes treadmill score, myocardial perfusion scintigraphy.


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