Hyperpotassemia and hypercalcemia.
D000368:Aged; D004562:Electrocardiography; D006801:Humans; D006934:Hypercalcemia / Q000175:diagnosis*; D006947:Hyperkalemia / Q000175:diagnosis*; D008297:Male; D001749:Urinary Bladder Neoplasms / Q000150:complications*