A heart Cath is a procedure that is done to see if there are blockages to arteries supplying your heart with blood. The procedure is pretty simple - routine if you will. You are kind of placed in lala land - you dont feel anything.
Trilogy A trilogy is a set of three works of art that are connected, and that can be seen either as a single work or as three individual works. They are commonly found in literature, film, or video games.
The original trilogy (often abbreviated as OT) were the first films of the Star Wars saga to be produced. These were the movies released between 1977 and 1983. Star Wars: Episode IV A New Hope (previously known as just Star Wars) Star Wars: Episode V The Empire Strikes Back.