Certified Medical-Surgical Registered Nurse Practice Exam

Which noninvasive diagnostic method is recommended for evaluating coronary artery disease?

1. Cardiac biopsy

2. Cardiac catheterization

3. MRI

4. Pericardiocentesis

The correct answer is: MRI

The recommended noninvasive diagnostic method for evaluating coronary artery disease is MRI. This imaging technique provides detailed images of the heart and blood vessels, allowing healthcare providers to assess the structure and function of the heart. MRI is particularly valuable because it does not expose patients to ionizing radiation, making it a safer option compared to other methods. It can effectively evaluate myocardial perfusion, ventricular function, and cardiac morphology, thereby aiding in the diagnosis and management of coronary artery disease. In contrast, while cardiac catheterization is a definitive diagnostic tool for coronary artery disease, it is an invasive procedure that involves threading a catheter through the blood vessels to the heart. Cardiac biopsy and pericardiocentesis are also invasive procedures with different indications; biopsy is used to obtain tissue for analysis, and pericardiocentesis is performed to remove fluid from the pericardial sac. These methods do not serve as first-line choices for evaluating coronary artery disease compared to MRI.