This document discusses how telehealth and real-time analytics can help critical care achieve better health outcomes, better care, and lower costs. It describes how monitoring patients and gaining situation awareness is important for critical care. Real-time data analytics can help clinicians understand a patient's current physiological status and trajectory. Pattern recognition in patient data may help identify issues earlier. The challenges of big data in healthcare including volume, velocity, variety and veracity are discussed. Technologies that provide real-time situation awareness and predictive analytics could help improve patient care and outcomes in the ICU.