Surgeon has kindly addressed your question in his comments below and I agree with his assessment.
Followup with your personal physician is
essentialEssential hypertension
Essential tremor.
This answer is not intended as and does not substitute for medical advice - the information presented is for
patientKidney diet - dialysis patients education only. Please see your personal physician for further evaluation of your individual case.
Thanks,
Kevin, M.D.
http://cpmcnet.columbia.edu/texts/guide/hmg22_0005.html