In the workup of a 45-year-old man with suspected coronary artery disease, the following is/are true:
A.	Thyroid tests are included to rule out hyperthyroidism
B.	Typically positive stress ECG would show elevated ST segments
C.	Dipyridamole is a useful adjunct to thallium scanning as it increases coronary perfusion pressure
D.	Persisting defects on thallium scan indicate reversible myocardial ischemia
Answer:A
In the workup of a 45-year-old man with suspected coronary artery disease, the following is/are true:
A.	Thyroid tests are included to rule out hyperthyroidism B.	Typically positive stress ECG would show elevated ST segments C.	Dipyridamole is a useful adjunct to thallium scanning as it increases coronary perfusion pressure D.	Persisting defects on thallium scan indicate reversible myocardial ischemia