You are caring for a patient admitted with angina who is scheduled for a cardiac catheterization. The patient is anxious and asks you about the reason for this test. What is your best response?
A) "A cardiac catheterization is most commonly done to assess coronary artery patency."
B) "A cardiac catheterization is most commonly done to detect myocardial ischemia."
C) "A cardiac catheterization is most commonly done to evaluate cardiovascular response to stress."
D) "A cardiac catheterization is most commonly done to evaluate cardiac electrical activity."
Ans: A
Feedback: Cardiac catheterization is usually used to assess coronary artery patency to determine if revascularization procedures are necessary. A thallium stress test shows myocardial ischemia after stress. An ECG shows the electrical activity of the heart.
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