A coronary angiogram is a special X-ray test. Itâs. done to find out if your coronary arteries are blocked. or narrowed, where and by how much. An angiogram. can help your doctor see if you need treatment such as. angioplasty or stent, coronary artery bypass surgery. (CABG) or medical therapy.
A Harley Takes an Engine From Porsche. NO wonder many riders don't know what to make of the new V-Rod from Harley-Davidson: The engine was designed in Germany by Porsche and it has the first water-cooled engine in Harley-Davidson's 99-year history. The V-Rod doesn't look like any other Harley.
Dual action truss rod A dual action (also known as two way or double expanding) truss rod is a more modern design and it is currently being used by some luthiers in lieu of the vintage single truss rod. The dual action rod is installed in a straight channel in the wood as opposed to the curved channel used by vintage rods.