hi dr,my serum creatinine method enzymatic -result -1.3, serum electrolytes_method-ise sodium 142 and potassium 5.9 and ,chloride 107 i am 74 years.ht -154 cms wt-82 kg ,bp-160|80. pulse-88,and bmi-34 . my dr advice me to take -k`bind powder,what is my health-condition . please help me.