Etymology:
The word "angiogram" is derived from two Greek words:
Meaning:
An angiogram is a medical imaging technique that uses X-rays to visualize blood vessels in the body.
Origin:
The term "angiogram" was first introduced in 1927 by the French physician Jean-Alexandre Sicard (1872-1949). He used the technique to visualize the cerebral blood vessels in order to diagnose brain tumors.
The technique was later refined by the American radiologist Charles Terry (1908-1973) in the 1940s. Terry developed a method for injecting a contrast agent into the bloodstream before taking the X-rays, which made the blood vessels more visible.
Today, angiograms are commonly used to diagnose and treat a variety of blood vessel conditions, such as:
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