"There is no night in the ICU. There is day, lesser day, then day again. There are rhythms. Every twelve hours: shift change. Report: first all together in the big room, then at the bedside, nurse to nurse. Morning rounds. A group of doctors moves slowly through the unit like a harrow through a field. At each room, like a game, a different one rotates into the center. They leave behind a trail of new orders. Wean, extubate, titrate, start this, stop that, scan, film, scope. The steep hill the patient is asked to climb. Can you breathe on your own? Can you wake up? Can you live?" from...