What type of stress test is useful for clients who do not have a normal baseline ECG, or who have physical limitations, and therefore are not suitable candidates for a standard exercise test?
1. Exercise myocardial perfusion imaging
2. Treadmill stress test
3. Cardiovascular stress test
4. 12-lead ECG
Exercise myocardial perfusion imaging
Rationale: Exercise myocardial perfusion imaging (MPI) is the most common application of nuclear imaging techniques. In clients who do not have a normal baseline ECG, or who for other reasons such as physical limitations are not suitable candidates for a standard exercise test, imaging techniques combined with a basic stress test improve the ability to detect significant CAD. Treadmill testing and cardiovascular stress testing refer to the same thing, and this testing is only used when the client has a normal baseline ECG and no physical limitations. The 12-lead ECG provides information about the electrical activity in the heart. It is not a stress test.
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