system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The most common pathogens responsible for nosocomial pneumonia in the ICU are -
assistant
The correct answer is  "Hospital-acquired (nosocomial) pneumonia is frequently caused by enteric gram-negative bacilli such as E.coli, pseudomonas aeruginosa".