Ask a Neurologist. Get Answers to Your Neurology Questions.
This is Dr. David
he needs to consult with a neurologist and get a full neurological workup
he could be having early parkinsons disease or possibly an essential tremor which can be treated
vibrations in his chest can be from a large mucus plug in his lungs
does he get this vibration when he breaths or also when he holds his breath?
has he consulted with a neurologist yet?