In teaching a client about an upcoming diagnostic test, the nurse identifies that which one of the ...

ANS: 3
A cardiac catheterization involves the injection of contrast material in order to visualize the car-diac chambers, valves, the great vessels, and coronary arteries. It also is used to measure the pressures and volumes within the chambers of the heart. A Holter monitor is a portable ECG worn by the client. It does not require contrast media. An echocardiography is a noninvasive measure that graphically depicts overall cardiac performance. An exercise stress test evaluates the cardiac response to the physical stress of the client on a treadmill. Contrast material is not used for this test.