Some updates & observations

Patient and other members of the family admitted that Patient was dealing with orthostatic hypotension-like episodes several years back before Patient went on any psychiatric meds. Patient said thyroid testing in the past revealed over-active thyroid.
Patient is currently suffering from memory problems and cognitive impairment.
Patient scored low in neuropsychological testing taken in the epilepsy unit of the hospital by the neuro psychology department. Doctors evaluating patient recommended a complete neurological work-up. Suspects there could be dementia symptoms. Doctors also suspected there could be an issue with the autonomic nervous system, with regard to the orthostatic hypotension. Patient's heart beat is normal, no other heart irregularities found. Some of our research on dementia indicates patients struggling with dementia-like symptoms could actually be suffering from a vitamin B-12 deficiency.

"Because the symptoms are almost identical, many health problems are often mistaken for Alzheimers and other age related dementia. But, the problems causing the symptoms are usually treatable if detected early enough. Prescription drugs interactions and side effects, vitamin B12 deficiency and dehydration most commonly produce false symptoms of dementia. (According to Consumer Reports on Health, "Any new health problem in an older person should be considered drug induced until proven otherwise.")In other words, symptoms that some people (including many doctors) often dismiss as a "normal part of aging" — really aren't. "
http://www.aging-parents-and-elder-care.com/Pages/Age_Dementia_Next_Steps.html

The following tests should be administered:

The tests may involve some or all of the following, many of which are designed to rule out other possible causes for your loved one's problems:

• An evaluation of memory and mental skills.

• A physical exam, including a review of family medical history, to detect other medical problems, including possible interactions between prescription drugs, over-the-counter medications, herbal supplements, vitamins and/or mineral supplements. Many foods can also cause unexpected interactions with prescription medications.

• A nutritional evaluation to determine if dietary problems or improper eating habits may be causing the problem.

• Blood tests, including tests for vitamin B12 and folic acid deficiencies, thyroid hormone imbalances, anemia, etc.

• EEG (electroencephalogram).

• A neurological exam to rule out other disorders of the brain such as Parkinson's disease, hydrocephalus (fluid accumulation in the brain), prior strokes and mini-strokes, brain tumors, etc.

• Brain Scan (CT or MRI).