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Eating Disorders Flashcards

1
Q

what has the highest mortality rate of all the mental illness?

A

anorexia nervosa

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2
Q

what is the relapse rate at one year?

A

50%

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3
Q

what population is more likely to anorexia nervosa?

A

mostly females 12-30 years

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4
Q

what is anorexia nervosa?

A

refusal to maintain a minimally normal weight for age and height
less than 85% of expected/BMI < 17.5
extreme fear of obesity/weight gain- even though underweight/emaciated
deny seriousness of disorder
gross distortion of body image
preoccupation with food
peculiar handling of food

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5
Q

what are specifics of anorexia nervosa?

A

restricting type
binge-eating/purging type
partial or full remission

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6
Q

what is the restricting type of anorexia nervosa?

A

not engaging in binge eating or purging behavior
diet, fast, rigorous exercise

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7
Q

what is the binge-eating/purging type of anorexia nervosa?

A

primarily restricts but does engage in some binge eating or purging behavior

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8
Q

what is considered full remission from anorexia nervosa?

A

not considered in full remission until healthy BMI and no thoughts of not eating; very hard to reach

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9
Q

what are the clinical presentation of anorexia nervosa?

A

low weight
amenorrhea; infertility, atrophy of breasts
yellow/orange hue to skin
lanugo; thinning hair, dry skin
cold extremities, hypothermia
peripheral edema
muscle weakness, loss of muscle mass, low bone density
constipation; rectal tears due to straining
hypotension, bradycardia, abnormal heart rhythms
renal insufficiency
low potassium, magnesium, calcium, and sodium/abnormal thyroid function
decreased bone density
anemic pancytopenia

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10
Q

what is the cause of low weight?

A

caloric restriction/excessive exercise

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11
Q

what is the cause of amenorrhea, infertility, and atrophy of breasts?

A

low weight

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12
Q

what is the cause of yellow/orange hue to skin?

A

hypercartenemia

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13
Q

what is the cause of lanugo and thinning hair and dry skin?

A

starvation

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14
Q

what is the cause of peripheral edema?

A

hypoalbunimeia and refeeding

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15
Q

what is the cause of muscle weakness, loss of muscle mass, and low bone density?

A

starvation and electrolyte imbalance

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16
Q

what is the cause of constipation and rectal tears?

A

starvation

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17
Q

what is the cause of hypotension and bradycardia as well as abnormal heart rhythm?

A

starvation
dehydration
electrolyte imbalance

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18
Q

what is the cause of renal insufficiency?

A

dehydration

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19
Q

what is the cause of the electrolyte/metabolic/endocrine imbalanaces?

A

starvation

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20
Q

what is the cause of decrease bone density?

A

estrogen deficiency
low calcium intake

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21
Q

what is the cause of anemic pancytopenia?

A

starvation

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22
Q

what are the medical complications of anorexia nervosa?

A

lymphocytosis
osteoporosis
elevated cholesterol levels
fatty degeneration of liver
proteinuria

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23
Q

what are the comorbidities of anorexia nervosa?

A

depression/anxiety
compulsive behaviors/OCD

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24
Q

when is the onset of bulimia nervosa?

A

late adolescence or early adulthood

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25
what is the repeated, episodic, uncontrolled, compulsive rapid ingestion of large quantities of food over a short period of time, usually within 2 hours?
binging
26
what is follow by inappropriate compensatory behaviors to rid body of excess calories?
purging
27
which food is usually consumed during binging?
food consumed during a binge usually are sweet, high caloric, soft or smooth so can be eaten rapidly
28
how many times does the binging and purging need to happen to be considered bulimia nervosa?
once a week for 3 months
29
what are the compensatory mechanisms that follow binging?
self-induced vomiting misuse of laxatives, diuretics, enemas fasting excessive exercise
30
what is tied into weight with those that have bulimia nervosa?
self-worth
31
what is considered mild anorexia nervosa?
BMI greater than or equal to 17
32
what is considered moderate anorexia nervosa?
BMI 16-16.99
33
what is considered severe anorexia nervosa?
BMI 15-15.99
34
what is considered extreme anorexia nervosa?
BMI less than 15
35
how is the bulimia nervosa severity based?
it is based on the times a week compensatory behaviors are used
36
what is considered mild bulimia nervosa?
1-3 episodes per week
37
what is considered moderate bulimia nervosa?
4-7 episodes per week
38
what is considered severe bulimia nervosa?
8-13 episodes per week
39
what is considered extreme bulimia nervosa?
14 or more episodes per week
40
what are the comorbidity of bulimia nervosa?
MDD bipolar depression anxiety borderline personality disorder histrionic personality disorder substance abuse, especially with amphetamines and alcohol
41
what are medical complications with bulimia nervosa?
weight fluctuations common- most within normal weight limit (which allows them to hid it well) dehydration/electrolyte imbalance- which can lead to EKG changes and arrhythmias tooth enamel erosion dental caries loss of dental arch tears in esophagus due to utilizing foreign objects enlarged parotid glands- increased amylase levels gastric dilation/rupture abdominal calluses from frequent digital pressure to purge loss of gag reflex aspiration pneumonia frequent heartburn/indigestion Russell's sign cardiomyopathy ipecac intoxication
42
what is Russell's sign?
is the scraps and blisters on the patient's knuckles from trying to induce vomiting; teeth marks on their hands
43
what happens over time with the gag reflex for those that have bulimia nervosa?
once utilizing fingers and objects to induce vomiting does not work, then they will thrust objects against their abdomen leading to callouses and bruises on their abdomen
44
what are the genetic risk factors for anorexia/bulimia?
anorexia has a linkage to chromosomes 1, 2, and 13
45
what are the neuro-endocrine abnormalities that could be a risk factor for bulimia and anorexia?
possible primary hypothalamic dysfunction in anorexia nervosa elevated cortisol levels in CSF
46
what regulates the body's ability to recognize when hungry, not hungry, and when sated?
hypothalamus
47
what is the difference with the dorsolateral prefrontal cortex with those with anorexia nervosa?
a self-control center of the brain; it acts like a brake system to curb impulse behaviors; in anorexics, it may work overtime to keep people from giving in to the temptation to eat
48
what is the difference with the visual cortex with those with anorexia nervosa?
processes visual information; compared with health people, it may be more active when thinking about eating food or performing cognitive tasks
49
what is the difference with the ventral striatum with those anorexia nervosa?
part of the brain's reward circuitry; may be hypersensitive to flavors healthy people find pleasurable, such as sugar; this oversensitivity could affect patient's enjoyment of food
50
what is the difference with the insula with those anorexia nervosa?
involved in self-awareness of body states, such as pain and hunger; is the first brain region to register the taste of sweets; it may not correctly detect sweets and other signals
51
what are the neurochemical risk factors of bulimia and anorexia?
anorexia- impaired dopamine regulation; release of dopamine in dorsal striatum triggers anxiety rather than pleasure high levels of endogenous opioids in spinal fluid; some gain weight when given naloxone bulimia- serotonin and norepinephrine vomiting- increases plasma endorphin levels; feelings of well-being
52
which type of medications can be helpful in bulimia?
SSRIs
53
what are the differences in the brains of those with bulimia?
increased grey matter- medial orbitofrontal cortex more likely to have ADHD- inattention/impulsivity/poor emotional regulation
54
what are the epigenetics with bulimia/anorexia?
hypodopaminergic paths- epigenetically activated by malnourishment estrodial activity in adolescent girls- epigenetically activates risk factors for anorexia
55
what are psychodynamic influences/risk factors for those with bulimia and anorexia?
disturbances in mother-infant interactions parents respond to emotional needs with food- very common in other cultures, such as Hispanics and Italians family influences- enmeshed boundaries conflict avoidance - tertiary gains for family power/control- often triggered by stressor/traumatic life event passive father/domineering mother/overly dependent child- perfectionism valued parental criticism promotes obsessive/perfectionist
56
what is a primary gain?
get to avoid
57
what is a secondary gains?
get attention
58
what is a tertiary gain?
shift areas of conflict
59
what is an example of tertiary gains?
if the child saw the parents fighting, then they said their sick, so the parents stop fighting and turn their attention
60
what are genetic traits linked with eating disorders?
perfectionism avoidant interceptive awareness anxiety intolerance of uncertainty obsession thought sticking impulsive/compulsive competitive
61
what are repeated episodes of uncontrolled binge eating with significant distress and eating rapidly, uncomfortable full, and large amounts when not hungry and alone?
binge eating disorder
62
what are the feelings that one feels with binge eating disorder?
they feel alone, embarrassed, disgusted, depressed guilty
63
what are the genetic causes of binge eating disorders?
runs in families- addictive influences
64
what are the psychological/environmental factors/causes of binge eating disorders?
low self-esteem/body dissastisfaction reduced coping adverse childhood events, especially sexual abuse and social pressures
65
what is persistent eating of substance with no nutritional value, such as dirt, paint, paper clips and undigested objects-dangerous, and intestinal blockage?
pica
66
what is the treatment for pica?
close monitoring reward appropriate eating
67
what is undigested food being returned to mouth, re-chewed, re-swallowed, or spit out?
rumination disorder
68
what is the treatment for rumination disorder?
distraction
69
what is restricting insulin to lose weight?
eating disorder-diabetes mellitus type 1
70
what increases risk of death and escalation of medical complications of diabetes?
eating disorder- diabetes mellitus type 1
71
what are eating disorder treatments?
1. restore nutritional status- weight restoration program; may require medical unit admit before psych, alleviate emaciation, dehydration, electrolyte imbalance 2. behavior modifications- they must perceive control of treatment for it to be successful; contract for privileges based on weight gains
72
what is the complication of the weight restoration program?
refeeding syndrome
73
what are the complications from refeeding syndrome?
imbalance of electrolytes/fluid shifts- can occur when a malnourished individual begins to eat normally- eat carbs- rapid discharge of insulin
74
what happens when people who have been starving get foods with high carbohydrates can cause the glucose to increase leading to electrolyte imbalance to heart dyrhytmias?
refeeding syndrome
75
what increases the risk for refeeding syndrome?
rapid weight loss or profound weight loss little or no food for 5 days abnormal EKG/low phosphate as baseline history of diuretic, laxative or insulin
76
what are the signs and symptoms of refeeding syndrome?
weakness swelling legs/feet difficulty breathing altered mental status seizures heart failure can lead to death
77
what uses concepts of cognitive, behavioral, and eastern mindfulness practices; wise minded?
dialectical behavior therapy
77
78
what are the goals of dialectical behavior therapy?
helps target problem behaviors that interfere with life and relationships increase ability to manage distress, improve interpersonal effectiveness skills, and increase quality of life
79
what is not the therapy of choice for eating disorders and used when underlying psychological problems contributing to behaviors?
individual therapy
80
what happens during registered dietitian counseling?
assess food likes/dislikes assess food triggers review symptoms weigh them blindly make a food plan- very structured in beginning with high fiber, low sodium, limit high fat, and gassy foods in beginning; avoid caffeine MVI/mineral supplements daily
81
what is the psychopharmacology for anorexia nervosa?
no medications are FDA approved for Anorexia nervosa and research does not support use of meds to treat core symptoms
82
what are medications that have been tried with some success for anorexia nervosa?
fluoxetine clomipramine cyproheptadine chlorpromazine olanzapine
83
what is the psychopharmacology for bulimia nervosa?
fluoxetine- usually a higher dose impiramine despiramine amitriptyline nortriptyline phenelzine
84
what is the psychopharmacology for binge eating disorder?
topiramate fluoxetine- higher dose lorcaserine topirmate/phentermine lisdexamfetmaine dimesylate
85
what are the nursing diagnoses for eating disorders?
imbalanced nutrition deficient fluid volume imbalanced nutrition disturbed body image anxiety
86
what are the nursing interventions for eating disorders?
structured milieu/promote therapies consistent and therapeutic communication positive approach- promote self-esteem; allows for sense of control weigh blind and watch for attempts to inflate wait realistic goals for weight enforce restrictions if lose weight monitor vitals watch for refeeding syndrome establish good eating patterns- sit with during meals- distract monitor closely during and after meals/snack for one hour may need therapeutic "lock out" monitor exercise, intake and output, electrolytes, and EKG help identify emotions and non-food related coping strategies (self-monitoring journal, distraction, relaxation) relapse prevention strategies patient/family teaching
87

Psychiatric Mental Health Nursing (13 decks)

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