these individuals engage in repeated episodes of binge eating
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The binge eating of bulimia occurs in:
any 2 hr period → eating btwn 1500-5000 calories
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Binge eating is followed by:
compensatory behaviors → self-induced vomiting; misuse of laxatives, diuretics, or other meds; fasting; or excessive exercise
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Bulimia is characterized by:
a significant disturbance in the individual’s perception of body shape and weight
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Thoughts and behaviors associated w bulimia:
binge-eating behaviors, often self-induced vomiting (or laxative or diuretic use) after binging, hx of anorexia, depressive s/s, problems w interpersonal relationships, self-concept, impulsive behaviors, increased levels of anxiety and compulsivity, possible substance use disorders, possible impulsive stealing
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S/S of bulimia:
normal to slightly low weight, dental carries, tooth erosion, parotid swelling, gastric dilution/rupture, calluses (scars on hand), peripheral edema, muscle weakening, abnormal lab values, cardio abnormalities, cardiac failure, seizure
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Cause of normal to slightly low weight in bulimia:
excessive calorie intake w purging, excessive exercising
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Cause of dental carries, tooth erosion in bulimia:
vomiting (HCI reflux over enamel)
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Cause of parotid swelling in bulimia:
increased serum amylase levels
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Cause of gastric dilation, rupture in bulimia:
binge eating
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Calluses, scares on hand (Russel sign) w bulimia:
self-induced vomiting
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Cause of peripheral edema in bulimia:
rebound fluid, esp. if diuretic is used
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Cause of muscle weakening in bulimia:
electrolyte imbalance
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Cause of abnormal lab values in bulimia:
purging: vomiting, laxative, and/or diuretic use
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Cause of cardio abnormalities in bulimia:
electrolyte imbalance → can lead to death
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Cause of cardiac failure w bulimia:
ipecac intoxication
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Cause of seizure w bulimia:
purging via self-induced vomiting: lowers seizure threshhold
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Bulimia commonly begins in:
later adolescence, the prevalence then peaks into young adulthood
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