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.
Troll doll. A Troll Doll is a type of plastic doll with furry up-combed hair depicting a troll, also known as a Dam doll after their creator Danish woodcutter Thomas Dam. The toys are also known as good luck trolls, or alternatively gonk trolls in the United Kingdom.