heart-lung.org
The first 4 chapters will cover basic physiology and pathophysiology with an emphasis on the Campbell and Guyton Diagrams.
The remaining 4 chapters will focus on clinically-relevant topics in the intensive care unit; the discussions will be largely drawn from the physiology covered in the first half of the textbook.
Please check out all of the exceptional content at:
I have begun a series of posts in conjunction with pulmccm.org which I affectionately call "ICU Physiology in 1000 Words."
Also:
Heart-lung.org will provide a comprehensive, on-line tutorial in cardiovascular and respiratory physiology for the interested medical student, resident and fellow.