Ace the Cardiac Vascular Nursing Exam 2025 – Pump Up Your Success!

The choice of arterial duplex ultrasound as a common imaging study for diagnosing peripheral artery disease (PAD) is justified by its non-invasive nature and effectiveness in evaluating blood flow in the arteries of the extremities. This imaging technique uses high-frequency sound waves to create images of blood vessels, allowing clinicians to assess for narrowing or blockages that can impede proper blood flow.

Arterial duplex ultrasound is particularly valuable in diagnosing PAD because it provides detailed pictures and can provide information on both the structure of the arteries and the speed of blood flow. This dual capability is crucial in identifying areas of arterial stenosis (narrowing) which is central to the diagnosis of PAD.

Other imaging studies listed, such as cardiac MRI, chest X-ray, and transesophageal echocardiogram, serve different purposes. Cardiac MRI is primarily used to evaluate cardiac structures and functions, while chest X-rays focus on the thoracic cavity, notably the heart and lungs. Transesophageal echocardiogram is an advanced echocardiogram used to assess heart function and detect abnormalities within the heart itself. None of these modalities specifically target peripheral circulation in the same manner as arterial duplex ultrasound, making it the most appropriate choice for diagnosing PAD.