My father has been diagnosed with Parkinson's disease seven months back. His gait is bit slow and the handwriting is bit slow and small. He has restlessness leg syndrome at night. He has severe body pain back and knee pain. He is given ropark .5, lonazep, Syncapone .5 ,macglaw . For the past one month he experiences right chest tightness / pain and we met a cardiologist who after taking eco and stress test have said there is no trouble with the heart. He has developed gerd symptoms. Is the chest tightness due to Parkinson's? Have anyone else experienced it? How to treat it. The chest tightness aggravates while walking and sometimes even when lying down. It commences and goes off on its own. What are we missing here?