deficient Fluid Volume [isotonic] may be related to increased urinary losses, possibly evidenced by dry mucous membranes, poor skin turgor, dilute urine, excessive thirst, weight loss.

impaired physical Mobility may be related to neuromuscular impairment, weakness, and pain, possibly evidenced by impaired coordination, decreased muscle strength, paralysis, and positive Chvostek's and Trousseau's signs.

risk for decreased Cardiac Output: risk factors may include hypovolemia and altered electrical conduction/dysrhythmias.