اختبار: الجهاز الدوري الدموي

Myocardial ischemia could be distinguished from myocardial infarction by analysis of PET images of the perfusion tracer N-13-labeled ammonia and the glucose analogue FDG. Region with “flow-metabolism mismatch” – decreased flow with normal increased FDG activity – represents:

If a patient has an irregular heart rate, the total number of cardiac cycles acquired for each projection will be the same if each projection is acquired for:

The short axis cardiac tomogram is displayed with the orientation as if the viewer was observing the heart from the:

The venous blood returning via the superior vena cava (SVC) and inferior vena cava (IVC) enters the heart at the:

Attenuation artifacts of tomographic myocardial perfusion imaging may decrease the diagnostic accuracy of the technique, predominantly due to:

Which of the following arteries supplies the myocardium?

What does Cardiomegaly mean?

Atropine is an anticholinergic agent frequently used with dobutamine stress testing to increase:

Which of the following is the most anteriorly located heart chamber?

A two-dimensional illustration of a three-dimensional allocation of the radiotracer in the myocardium which allows visualization of perfusion defects in a compressed format is known as: