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.
A duplex ultrasound can help diagnose the following conditions: Peripheral arterial disease: Peripheral arterial disease (PAD) refers to narrowing of the blood vessels that obstructs blood flow to the arms or legs usually due to atherosclerosis (fatty plaques in walls of blood vessels) or other diseases.