Alyssa wakes up early and feels very awake and conscious thr…

Alyssa wakes up early and feels very awake and conscious throughout her morning. In the middle of the afternoon she notices her consciousness is beginning to drift and she feels sleepy.  Later in the day she starts to feel more energized. This is all part of her ___________.

A 56 y/o patient has been in the ICU for the past 4 days int…

A 56 y/o patient has been in the ICU for the past 4 days intubated with diagnosis of ARDS and pneumonia.  On appropriated empiric antibiotic treatment.  PaO2:FiO2 ratio is 184, SpO2 ratio is 215, and O2 sat is 91%.   What is the most appropriate classification or category of ARDS for this case/patient?