Anaesthesia The following modes of ventilation may be used for weaning off patients from mechanical ventilation except – A Controlled mechanical ventilation (CMV) B Synchronized intermittent mandatory ventilation (SIMV) C Pressure support ventilation (PSV) D Assist–control ventilation (ACV) 💡 Explanation The following modes of ventilation may be used for weaning off patients from mechanical ventilation except – ✓ Correct Answer: A. Controlled mechanical ventilation (CMV)