Abstract: A composition includes a plurality of amino acids. The plurality of amino acids includes at least one essential amino acid and at least one non-essential amino acid. The plurality of amino acids also includes at least one branch-chain amino acid. The composition also includes a source of carbohydrates. The compositions also includes purified water. The plurality of amino acids comprises about 1 wt % of the composition. A composition includes a plurality of amino acids, sodium citrate, sodium chloride, potassium phosphate, flavoring, a source of carbohydrates, and purified water. In some embodiments of the composition, the plurality of amino acids includes alanine, arginine, aspartate, cystine, glutamine, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonin, tryptophan, tyrosine, and valine.

Abstract: A patient barrier is described. The patient barrier includes a footstep configured to support a patient and placed on a floor, a frame attached to the footstep and configured to separate the patient from an energy receptor The patient barrier includes at least one of a first pivot configured to pivot the patient barrier with respect to the floor, and a support bar coupled to the frame, configured to support an arm of the patient, and pivot with respect to the frame.

Abstract: Systems, methods and apparatus are provided through which in some embodiments a reference display receives reference information and displays the reference information from a digital image detector, wherein the reference display is in close proximity to the digital image detector.