My dad is a cardiac patient. He is on pace maker for the past 4years. For the past 1month his legs have swollen big, and the doctor says the proteins have decresed but they are not able to find the reason for the decrese nor are they able to bring the swelling back to normal. Can anyone please let me know what could be the cause and how can we get it cured? Even sug good cardiac doctors in Mumbai. Please reply fast, this is urgent.