What is cardiac catheterization? Cardiac catheterization (cardiac cath or heart cath) is a procedure to examine how well your heart is working. A thin, hollow tube called a catheter is inserted into a large blood vessel that leads to your heart. View an illustration of cardiac catheterization.
A Troll is a magical creature of prodigious strength and immense stupidity.
Someone that likes to argue about something and not listen to reason. To make it worse, if you post something on your Wall talking about the issue without mentioning the Person, they'll most likely go on there and comment to make you mad or such. Basically this is something a Facebook Troll can do.est Answer: a troll is generally someone who tries to get attention by posting things everyone will disagree,like going to a susan boyle fan page and writing susan boyle is ugly on the wall. they are usually 14-16 year olds who crave attention. Source(s):