Definition: A clad coin is one that has multiple layers of metal in it; most current U.S. clad coins consist of an inner core of copper, with outer layers of a silver-colored nickel-copper alloy. Examples of this type of clad coin are the U.S. Dime, Quarter, and Half Dollar.
âChronic Total Occlusion Intervention. Chronic total occlusion (CTO) is a complete blockage of a coronary artery that has been in place for 30 days or longer. CTOs are very common, occurring in 15 to 20 percent of patients with significant coronary artery disease. The condition can cause severe angina (chest pain) and lead to a lower quality of life.
A CT scan is a method of diagnostic imaging that produces an image of anatomy at different levels within the body. The ASRT notes that this procedure is also referred to as cross-sectional imaging. CT scans are used in particular situations, such as checking for internal bleeding, stroke, blood clots and tumors.iagnostic imaging is a process by which a magnetic image is taken of the human body to diagnose a particular problem the patient may be having.