my father is suffering from parkinson and depression since last 2 years..but last 2 days his state is critical as he is not able to stand or walk independently...following drugs are given o him- ropark, syndopa, rasalect, aricep for parkinson and duxel, recita for depression...his potassium level is 2.23 mEql..what should b done to improve his condition..any neuro physician can help me? his age is 51, height- 155 cm and weight- 66 kgs