1. The responsibility of the commanding officer for his or her command is absoluts, except when, and to the extent to which, he or she has been relieved therefrom by competent authority, or as provided otherwise in these regulations. The authority of the commanding officer is commensurate with his or her responsibility.
A carotid duplex scan is a simple and painless test that combines two types of ultrasound to look for blockages in your carotid arteries. An ultrasound is a type of scan that uses sound waves to produce a picture of the inside of your body.
Her physicians suspected she had a brain lesion, and with Hounsfield's equipment they were able to see clearly a dark, circular cyst in her brain. Hounsfield called this technology a CT (computerized tomography) scan, also called a CAT scan (computerized axial tomography). It was especially useful for looking at head injuries and brain problems, because it showed about 100 times greater detail in soft tissues than traditional x-rays.