Palliative sedation
In medicine , specifically in end-of-life care , palliative sedation ( also known as terminal sedation , continuous deep sedation , or sedation for intractable distress of a dying patient ) is the palliative practice of relieving distress in a terminally ill person in the last hours or days of a dying person's life , usually by means of a continuous intravenous or subcutaneous infusion of a sedative drug , or by means of a specialized catheter designed to provide comfortable and discreet administration of ongoing medications via the rectal route . 
<triplet> end-of-life care <subj> palliative <obj> subclass of