Mechanical Ventilation

• A 64 y.o. man is admitted to ICU (intubated and ventilated) for community-acquired pneumonia and is now improving after 4 days...
• A 51 y.o. man is admitted to ICU with severe community-acquired pneumonia and hypoxaemia despite intubation/ventilation, 100% inspired oxygen and PEEP 10cms...
• An obese 73 y.o lady is admitted to ICU, intubated and ventilated, for treatment of pulmonary thromboembolism after a hip replacement...