Nursing Research and Evidence-Based Practice CHAPTER 6 105. LEARNING OUTCOMES. After studying this chapter, the reader will be able to: 1 Summarize major points in the evolution of nursing research in relation to contemporary nursing.
Carotid (ka-ROT-id) ultrasound is a painless and harmless test that uses high-frequency sound waves to create pictures of the insides of your carotid arteries.You have two common carotid arteries, one on each side of your neck.They each divide into internal and external carotid arteries. The internal carotid arteries supply oxygen-rich blood to your brain. The external carotid arteries supply oxygen-rich blood to your face, scalp, and neck.ou have two common carotid arteries, one on each side of your neck. They each divide into internal and external carotid arteries. The internal carotid arteries supply oxygen-rich blood to your brain. The external carotid arteries supply oxygen-rich blood to your face, scalp, and neck.
A carotid artery duplex scan is a type of vascular ultrasound study done to assess the blood flow of the arteries that supply blood from the heart through the neck to the brain.he vertebrobasilar artery system, which is the other major blood vessel that supplies the brain, may be studied as well. A carotid artery duplex scan is a noninvasive (the skin is not pierced) procedure. The term duplex refers to the fact that 2 modes of ultrasound are used â Doppler and B-mode.