A combination ambulance cot and chair is disclosed. The invention includes a support frame, and a segmented patient support pivotally mounted to the support frame for movement at least between a chair position and a fully-reclined position. The segmented patient support has a seat segment. A securing device is connected functionally to the support frame and the seat segment, and configured to releasably secure the combination ambulance cot and chair in at least the fully-reclined position.