11
Related to nutritional restriction Related to purging
Bradycardia or arrhythmias, QTc
prolongation
Increased P-wave amplitude and
duration, increased PR interval,
widened QRS complex, QTc
prolongation, ST depression, T-wave
inversion or flattening, U waves,
supraventricular or ventricular
tachyarrhythmias
Hypokalemia, hyponatremia,
hypomagnesemia, hypophosphatemia
(especially on refeeding)
Hypokalemia, hyponatremia,
hypochloremia, hypomagnesemia,
hypophosphatemia, metabolic
acidosis
Hypercholesterolemia
Low blood sugar
Elevated liver function tests
Increased BUN, decreased GFR,
decreased Cr because of low lean
body mass (normal Cr may indicate
azotemia), renal failure (rare)
Increased BUN and Cr, renal failure
(rare)
Urinary specific gravity abnormalities Urinary specific gravity
abnormalities, high pH
Decreased serum estrogen or serum
testosterone; prepubertal patterns
of luteinizing hormone, follicle
stimulating hormone secretion
May be hypoestrogenemic
if menstrual irregularities are present
Reduced BMD, osteopenia, or
osteoporosis in individuals with
previous low weight and menstrual
irregularity or amenorrhea
Reduced BMD, osteopenia or
osteoporosis in individuals with
previous low weight and menstrual
irregularity or amenorrhea
Erosion of dental enamel
