NIC Companion Book of Interventional Cardiology is for anyone who is seriously interested in interventional cardiology. It is written keeping in mind the practical problems encountered by the interventional cardiologists in the beginning of their career, and Tips and Tricks are given by experts in their respective fields.   The purpose of this companion book is to provide a user-friendly reference for young interventional operators. The book touches on the contentious issues and shows future trends and techniques, which will shape the future of interventional cardiology.