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
Bag and mask ventilation is absolutely contraindicated in –
assistant
The correct answer is  Bag and mask ventilation is contraindicated when there are increased chances of aspiration like :- full stomach, intestinal obstruction, pregnancy, hiatus hernia, Diaphragmatic hernia, Tracheo-esuphageal fistula, Meconium aspiration syndrome.