Book excerpt: The book is extensively revised and updated to incorporate the latest changes and development of newer concept. Written in a narrative manner which is easier to understand. Bulleted text and key highlights/ important points in boxes for extra emphasis and retention. Inclusion of more flowcharts and colored pictures. It covers the entire course curriculum in an easy to understand, retain and reproducible manner; including assessment questions to help in rapid revision and exam preparation. It is an enhanced book with videos and lecture notes on challenging procedures to help them better visualize, understand, and retain information.