Disclosed is a method and apparatus to electronically tabulate items marked with a bar code. Individual transistors of each comparator of the plurality are arranged in a one-dimensional row in a first direction. The method and system increases the perceived clarify of the sound by the listener. The restoration of kidney function assists the heart by removing excess fluid, urine and toxin from the patient, and by normalizing the patient’s renin-angiotensin system and other neurohormonal substances.