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.
The dawn phenomenon, sometimes called the dawn effect, is an early-morning (usually between 2 a.m. and 8 a.m.) increase in blood sugar (glucose) relevant to people with diabetes.[1] It is different from chronic Somogyi rebound in that dawn phenomenon is not associated with nocturnal hypoglycemia. The dawn phenomenon can be managed in many patients by avoiding carbohydrate intake at bedtime, adjusting the dosage of medication or insulin, switching to a different medication, or by using an insulin pump to administer extra insulin during early-morning hours.