Angiography is a technique for examining the interior of blood vessels by injecting a solution visible on X-rays into them, usually through a catheter, or tube. The passage of the solution can be followed on a television screen at the same time a recording is made on film of the progression of pictures. This record is called an angiogram.

There are different types of angiography:

      Cerebral Angiography
      Coronary Angiography
      Extremity Angiography
      Renal Angiography
      Pulmonary Angiography
      Lymphangiography
      Retinal Angiography

The different types of angiography based on techniques include;