Style of Music and Notation The music used in the classroom is based on the children's own heritage with a combination of: The majority of Orff music is pitched with the universal pentatonic scale The C Pentatonic Scale (C D E G A) is the most common scale in this method because it's easily used with the Orff instruments.
A carotid ultrasound is a noninvasive, painless screening test. Your doctor uses an ultrasound to look at the carotid arteries in your neck and see the flow of blood through them. Ultrasound, also called sonography, uses sound waves instead of X-rays to make images. carotid ultrasound is an important test that can detect narrowing, or stenosis of the carotid arteries. Carotid artery stenosis is a major risk factor for stroke.
The carotid sinus, or carotid bulb, is a widening of a carotid artery at its main branch point. The carotid sinus contains sensors that help regulate blood pressure. The carotid artery pulse can normally be felt in the neck by pressing the fingertips against the side of the windpipe, or trachea. Stroke: A sudden blood clot in the carotid artery can interrupt blood flow to the brain, causing a stroke. 2  Fragments of cholesterol plaque in the carotid artery may also travel into the brain to cause a stroke.