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.
Epic fantasy has been described as containing three elements: it must be a trilogy or longer, its time-span must encompass years or more, and it must contain a large back-story or universe setting in which the story takes place.