You are caring for a client who is suspected of having coronary artery disease. The client is scheduled to have a nuclear stress test using thallium. When would the thallium be injected to determine narrowing of the coronary arteries?
A) During and a few hours after exercise electrocardiography
B) Before and during exercise electrocardiography
C) Before and a few hours after exercise electrocardiography
D) Before, during, and a few hours after exercise electrocardiography
A
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A nuclear stress test using a radionuclide, such as thallium, may be injected intravenously (IV) during and a few hours after exercise electrocardiography, followed by a heart scan. Narrowing of one or more coronary arteries is documented during coronary arteriography. Therefore, options B, C, and D are incorrect.
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