PHED-4546EL Lecture Notes - Lecture 6: Anorexia Nervosa, Eating Disorder, Acid Erosion
28 Dec 2019
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Document Summary
Two major types of dsm-iv eating disorders: anorexia nervosa and bulimia nervosa, both involve severe disruptions in eating behaviour, both involve extreme fear and apprehension about gaining weight, both have strong sociocultural origins westernized views. Other subtypes of dsm-iv eating disorders: binge-eating disorders, rumination disorder, pica, feeding disorder. Hallmark: eating larger amount of food (usually junk food) than most people would eat under similar circumstances. Almost always purging techniques: vomiting, laxatives, diuretics, 57% exercise excessively (compared to 81% of anorexics) Dsm-iv provides 2 subtypes: purging type (2/3 of cases) and non-purging type, note: purging not good method of reducing caloric intake. Note: purging not a great method of reducing caloric intake (vomiting reduces only about 50% of calories that were just consumed less if delated at all) Dental enamel erosion inner surface of front teeth. Electrolyte imbalance can lead to cardiac arrhythmia, renal failure. Increase in mood disorders (mostly depression) and substance abuse.
