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.
Four Stroke Engine. The four stroke engine was first demonstrated by Nikolaus Otto in 1876, hence it is also known as the Otto cycle. The technically correct term is actually four stroke cycle. The four stroke engine is probably the most common engine type nowadays. It powers almost all cars and trucks.