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.
Peter Jackson's award-winning The Lord of the Rings Trilogy includes: The Fellowship of the Ring, The Two Towers, and The Return of the King. The Trilogy tells the story of a meek hobbit of The Shire and eight companions setting out on a journey to Mount Doom to destroy the One Ring and the dark lord Sauron.