The following modes of ventilation may be used for weaning off patients from mechanical ventilation, EXCEPT:
Controlled Mechanical Ventilation (CMV) is best reserved for patients capable of little or no ventilator suppo. Ref: Sho Textbook of Anaesthesia By Ajay Yadav 2nd Edition, Pages 182-3.
Controlled mechanical ventilation (CMV)
Synchronized intermittent mandatory ventilation (SIMV)
Pressure suppo ventilation (PSV)
Assist-control ventilation (ACV)