The present edition, just like the previous editions, is based on the author's extensive experience on this subject for over 50 years. This is the only book on critical care medicine that has a full section devoted to the imaging of various problems pertaining to critical illnesses. Every chapter has been thoroughly revised. Two new chapters added on Disaster Management including the COVID-19 pandemic, and Principles, Philosophy, and Ethics of Critical Care. Contribution from renowned experts in their chosen fields. The text has been illustrated by new excellent images.