A 33-year-old G1P1 Caucasian female presents with intermittent episodes of weakness, abdominal discomfort and nausea lasting days at a time over the past 3 months. Except for treated hypothyroidism she has no other medical problems.
On exam she is alert, thin, well-tanned, in no acute distress and non-toxic. Vitals are normal except for a BP of 84/56. […]