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COMPARISON OF EXERCISE ELECTROCARDIOGRAPHY, THALLIUM‐201 MYOCARDIAL IMAGING and EXERCISE GATED BLOOD POOL SCAN IN PATIENTS WITH SUSPECTED CORONARY ARTERY DISEASE
Author(s) -
O'KEEFE J. C.,
EDWARDS A. C.,
WISEMAN J.,
COOPER R. A.,
SHUTER B.,
DONNELLY G. L.
Publication year - 1983
Publication title -
australian and new zealand journal of medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.596
H-Index - 70
eISSN - 1445-5994
pISSN - 0004-8291
DOI - 10.1111/j.1445-5994.1983.tb04548.x
Subject(s) - medicine , coronary artery disease , cardiology , chest pain , electrocardiography , thallium , myocardial imaging , radiology , inorganic chemistry , chemistry
:We compared three non invasive tests, 12 lead exercise electrocardiography (ECG), thallium 201 myocardial imaging (T1), and rest and exercise equilibrium gated blood pool scanning (GBPS) for the detection of coronary disease, in 50 patients undergoing coronary angiography for evaluation of chest pain. Twenty eight patients had significant coronary disease, while 22 patients had insignificant coronary disease. The sensitivity of exercise ECG for detecting coronary disease was 64%. By comparison the sensitivities for the other tests were: T1 imaging 79% (NS); exercise GBPS 86% (p<0.05); T1 imaging combined with exercise ECG 89% (p<0.01) and the combination of all tests 96% (p<0.005). The specificity for exercise ECG was 82%, and was similar to T1 imaging 86%, GBPS 82% and the combination of all tests 64% (borderline significance, p<0.1). Thus GBPS and T1 imaging combined with exercise ECG, are more sensitive indicators of coronary disease than exercise ECG alone. Combined testing is highly sensitive for coronary disease but with a reduction in specificity.