84 yr female b/p & oxygen normal. fibromyalgia and arthritis, acid reflux. no shortness of breath but feels weird and weak.no hist of heart. no edema.

See details: They are numerous causes and cardiac issues need to be ruled out as a possibility in spite of a negative history. A recent feeling of weakness suggests it is not related to longstanding fibromyalgia.

See your PCP: In elderly individuals there can be multiple reasons for feeling weak. A simple urinary tract infect may present like weakness. Lease see your pcp.