Novel cycloalkyl compounds useful as inhibitors of potassium channel function, methods of using such compounds in the prevention and treatment of arrhythmia and IKur-associated conditions, and pharmaceutical compositions containing such compounds. The data structure includes an account type table, an account table, a segment type table, a segment table, and an association table. The retention ledge may maintain the position of the scroll wheel with respect to the housing. The method according to the one embodiment further includes transmitting the determined channel quality information index to a base station.