A patient interface kit for a system for providing cardiopulmonary resuscitation or circulatory support to a patient, the system including a control unit, the kit including an inflatable abdominal cuff adapted to extend over a patient's abdomen and including an elongated flexible strap, an inflatable bladder and a fastener system to secure the abdominal cuff in position for use on a patient; an inflatable chest cuff adapted to extend over a patient's chest and including an elongated flexible strap, an inflatable bladder and a fastener system to secure the chest cuff in position for use on a patient; a patient platform or backboard configured for disposition against the patient's back during use; and a cuff prepositioning system configured to secure the chest and abdomen compression cuffs to the patient platform in a ready position and to facilitate rapid deployment of the cuffs for use on the patient.