Elongated and tortuous aorta on Chest X ray sounds like thoracic part of the aorta. This can be elongated & become tortuous from a number of causes. In an adult of his age it is likely to be due to atherosclerosis & high blood pressure. CAD is coronary artery disease. It is a type of heart disease.
MAIN IDEA â¢ Chief point an author is making about a topic. It sums up the authorâs primary message. Topic Sentence; Statement of the main idea. It is the statement under which all other material in the paragraph â examples, reasons, facts, details and other evidence â can fit. EXAMPLE: (refer to above example) Notice that all information is after the first sentence is about ways to reduce noise pollution.
Webster Dictionary(5.00 / 1 vote)Rate this definition: 1  Idea(noun) the transcript, image, or picture of a visible object, that is formed by the mind; also, a similar image of any object whatever, whether sensible or spiritual. 2  Idea(noun) a general notion, or a conception formed by generalization.