Pots my gp thinks i have this condition as a neurologist found when i get up and lie down my blood pressure drops why am i so tired and what treatment?

Can be abnl BP : POTS is characterized as abnormal increase in heart rate in response to change in body position that can be associated with a drop in BP as a result. Other similar abnl responses include abnl drop in BP and/or HR w/ body position change. Test is tilt table test. Rx is incr fluids/salt and no caffeine/alcohol. Sometimes meds needed. Very rarely, need a pacemaker. Suggest cardiology consult