Carotid Angiography Carotid angiography (an-jee-OG-ra-fee) is a special type of x ray. This test may be used if the ultrasound results are unclear or don't give your doctor enough information. For this test, your doctor will inject a substance (called contrast dye) into a vein, most often in your leg.
Dawn is defined as the first light of a new day or the beginning of something. An example of dawn is around 6am in September in California. An example of dawn is the beginning of the Computer Age. The definition of dawn is to begin to be understood, daylight or to appear.
What Is Dawn? Dawn refers to the transition from night to day as the sky gets brighter and the morning twilight heralds the beginning of a new day. The term has different colloquial meanings, but there is also a scientific definition. Dawn on Santorini island, Greece.