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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
End-tidal CO2 is increased to maximum level in :
assistant
The correct answer is  B i.e. Malignant hypehermia Unilateral absence (or decrease) of breath sounds over one lung (especially left) after a speedy intubation suggests a diagnosis of inadveent endobronchial intubation. End tidal CO2 may be low, normal or raised after an endotracheal intubation. Tlie presence of high end tidal CO2 however excludes a diagnosis of esophageal intubation which is associated with reduced or absent end tidal CO2. Malignant hypehermia show marked rise in ETCO2.