Respiratory failure expert witnesses practice in a variety of fields, including pulmonology, critical care medicine, emergency medicine, and anesthesiology. Some of the most common specialties include mechanical ventilation, CPAP and BiPAP management, ARDS, sepsis-related lung injury, and post-operative respiratory complications. They can opine on the effects of delayed intubation, improper ventilator settings, monitoring failures, and deviations from standard of care.