DSM criteria Flashcards

1
Q

anorexia nervosa - criteria

A

A. Restriction of energy intake relative to requirements, leading to a significantly low body weight in the context of age, sex, developmental trajectory, and physical health

B. Intense fear of gaining weight or of becoming fat, or persistent behavior that interferes with weight gain, even though at a significantly low weight.

C. Disturbance in the way in which one’s body weight or shape is experienced, undue influence of body weight or shape on self-evaluation, or persistent lack of recognition of the seriousness of the current low body weight

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2
Q

anorexia nervosa

criteria - remission & severity

A

Remission:
- Partial if criteria A (i.e., low body-weight) has not been met for a sustained period, but either criteria B (i.e., fear of gaining weight) or criteria C (i.e., disturbed self-perception) is still met
- Full if none of the criteria are met for a sustained period

Severity specifier: minimum level of severity is based on BMI for adults
- Mild if equal or less to 17
- Moderate if 16-16.99
- Severe if 15-15.99
- Extreme if less than 15

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3
Q

anorexia nervosa

diagnostic features

A

Crit A: sig low weight - as BMI for adults and BMI percentile for children

Crit B: sig fear of gaining weight - due to distortions, concern about weight gain may increase as weight falls
- Some may not recognize/acknowledge a fear of weight gain
- In absence of fear other markers should be used

Crit C: significance of body weight and shape distorted - heterogeneity in how this cognition operates within individuals

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4
Q

anorexia nervosa

associated features supporting diagnosis

A

The pathological behaviors that occur in AN can onset potentially life-threatening medical conditions (e.g. nutritional deficiency)

when seriously underweight, many AN indiv have depressive signs and symptoms

obsessive-compulsive features - both food and non-food related

other features:
- concerns about eating in public
- feelings of ineffectiveness
- strong need to be in control
- inflexible thinking
- limited social spontaneity
- overly restrained emotional expression

the binge-eating/purging type have higher rates of impulsivity and are more likely to abuse substances

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5
Q

anorexia nervosa

other info

(prevalence, development/course, risk, comorbidity)

A

Prevalence: the 12-month prevalence among young females is approximately 0.4% (2013)
- gender gap is 10:1

Development and course
- Commonly begins during adolescence / young adulthood
- Onset associated with stressful life event
- Course is highly variable
- Changed eating prior to full onset
- Some (most), people never fully recover after a single episode
- Mortality is about 5% - from medical complications due to not eating and suicide

Risk and prognostic factors:
- Temperamental: indiv who develop anxiety disorders or display obsessional traits in childhood are at increased risk
- Environmental: associated with cultures and settings in which thinness is valued
Genetic and physiological: increased risk in first-degree relatives;

Comorbidity:
- Bipolar
- MDD
- Anxiety
- SUD in the binge-eating/purging type

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6
Q

bulimia nervosa - criteria

A

A. Recurrent episodes of binge eating. An episode of binge eating is characterized by both of the following:
1. Eating, in a discrete period of time (e.g., within any 2-hour period), an amount of food that is definitely larger than what most individuals would eat in a similar period of time under similar circumstances.
2. A sense of lack of control over eating during the episode (e.g., a feeling that one cannot stop eating or control what or how much one is eating).

B. Recurrent inappropriate compensatory behaviors in order to prevent weight gain, such as self-induced vomiting; misuse of laxatives, diuretics, or other medications; fasting; or excessive exercise.

C. The binge eating and inappropriate compensatory behaviors both occur, on average, at least once a week for 3 months.

D. Self-evaluation is unduly influenced by body shape and weight.

E. The disturbance does not occur exclusively during episodes of anorexia nervosa

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7
Q

bulimia nervosa

criteria - remission and severity

A

Severity: the minimum level of severity is based on the frequency of inappropriate compensatory behaviors
- Mild: An average of 1–3 episodes of inappropriate compensatory behaviors per week.
- Moderate: An average of 4–7 episodes of inappropriate compensatory behaviors per week.
- Severe: An average of 8–13 episodes of inappropriate compensatory behaviors per week.
- Extreme: An average of 14 or more episodes of inappropriate compensatory behaviors per week.

Remission:
- In partial remission: after full criteria met, some, but not all, criteria not met for sustained time
- In full remission: no criteria for sustained time

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8
Q

bulimia nervosa

diagnostic features

A

3 essential features: Criterion A, Criterion B, and Criterion D
- To diagnose, at least once per week for 3 months (crit C)

Main trigger is negative affect - others incl: interpersonal stressors, dietary restraint, boredom
- Binging minimizes negative affect in the short-term, but has delayed consequences

Body weight/shape determines self-esteem (CritD)

Associated features supporting diagnosis:
- Bulimics are typically within normal weight or overweight (BMI above 30)
- When not binging, bulimics restrict their calorie intake
- Amenorrhea (i.e., menstrual irregularity) is common among females with bulimia
- Can lead to severe physical complications

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9
Q

bulimia nervosa

other info

(prevalence, development/course, risk, comorbidity)

A

Prevalence: 12-month prevalence among young females is 1%-5%;
- Highest in young adults - onset peaks in later adolescence
- Gender gap 10:1

Development and course:
- Onset before puberty or after 40 is uncommon
- Frequently begins during / after an episode of dieting to lose weight
- SLEs
- Disturbed eating persists for at least several years in most clinical samples
- Course is chronic or intermittent, with periods of remission
- Elevated risk of mortality (all-cause and suicide): 2%
- Some cross-over from BN to BED + few from BN to AN

Risk and prognostic criteria
- Temperamental - weight concerns, low self-esteem, depressive symptoms, SAD, and overanxious disorder of childhood
- Environmental - internalization of a thin body ideal + childhood sexual/physical abuse
- Genetic and physiological - childhood obesity and early pubertal maturation + familial transmission and genetic vulnerabilities

Comorbidity - generally common, with most having at least one other mental disorder and many experiencing multiple ones
- depressive and bipolar disorders
- anxiety
- Substance use
- Personality disorders, most often BPD

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10
Q

BED - criteria

(+severity)

A

A. Recurrent episodes of binge eating

B. The binge-eating episodes are associated with three (or more) of the following:
1. Eating much more rapidly than normal
2. Eating until feeling uncomfortably full
3. Eating large amounts of food when not feeling physically hungry
4. Eating alone because of feeling embarrassed by how much one is eating
5. Feeling disgusted with oneself, depressed, or very guilty afterward.

C. Marked distress regarding binge eating is present.

D. The binge eating occurs, on average, at least once a week for 3 months.

E. The binge eating is not associated with the recurrent use of inappropriate compensatory behavior as in bulimia nervosa and does not occur exclusively during the course of bulimia nervosa or anorexia nervosa.

Severity: The minimum level of severity is based on the frequency of episodes of binge eating
- Mild: 1–3 binge-eating episodes per week.
- Moderate: 4–7 binge-eating episodes per week.
- Severe: 8–13 binge-eating episodes per week.
- Extreme: 14 or more binge-eating episodes per week

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11
Q

BED

diagnostic features

A

Diagnostic features - almost the same as bulimia but without purging

Individuals with BED are typically ashamed of their eating problems and attempt to conceal their symptoms

Binging is usually done alone

Triggered by negative affect

Associated features supporting diagnosis:
- Reliably associated with being overweight/obesity in treatment-seeking individuals
- However, distinct from obesity - BED eat more, higher impairment, lower QOL, more subj distress, and higher psychiatric comorbidity

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12
Q

BED

other info

(prevalence, development/course, risk, comorbidity)

A

Prevalence: 12-month prevalence is 1.6% for females and 0.8% for males
- Gender gap is smaller than in bulimia
- Similar across ethnic groups

Development and course
- Little known about development
- Binge-eating is common in adolescent and college-age samples
- Dieting follows the development of binge eating in many BED indiv - in contrast to bulimia where dieting precedes binging
- Typically begins in adolescence and young adulthood, but can begin in later adulthood;
- Remission rates for BED higher than for bulimia and anorexia
- Cross over to other EDs is uncommon

Risk and prognostic factors
- Genetic and physiological - BED appears to run in families

Comorbidity
- bipolar, depressive & anxiety disorders
- To a lesser degree, substance use disorders

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13
Q

pica - criteria

A

A persistent eating of nonnutritive, nonfood substances over a period of at least 1 month

B. this is inappropriate to the developmental level of the individual

C. it is not part of a cultural/socially normative practive

D. if it occurs in the contenxt of another mental disorder or a medical condition, it is sufficiently severe to warrant additional clinical attention (ie autism, intellectual disability, schizophrenia)

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14
Q

rumination disorder - criteria

A

A. repeated regurgiation (ie swalled food going up (reflux)) over a period of at least 1 month
- regurgiated food may be re-chewed, re-swallowed, or spit out

B. this is not attributable to an associated gastrointenstinal or other medical conditon

C. this doesn’t occur during other eating disorders

D. if it is in a context of another mental/physical disorder, the symptoms are sufficiently severe to warrant attention

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15
Q

avoidant/restrictive food intake disorder - criteria

A

A. an eating disturbance (ie apparent lack of interest in food/eating, avoidance of food, concern about eating) as manifested by persistent failure to meet appropriate nutritional and/or energy needs associated with one (or more) of the following:
1. significant weight loss (or failure to achieve expected weight gain in children)
2. significant nutritional deficiency
3. dependence on external feeding/oral supplements
4. marked interference w/psychosocial functioning

B. not better explained by lack of available food / culturally sanctioned practice

C. does not occur during AN/BN, and there is no evidence of a disturbance in the way in which one’s body weight is experienced

D. not attributable to another medical/mental condition

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16
Q

sexual dysfunctions (in general)

A

a heterogeneous group of disorders that are typically characterized by a clinically sig disturbance in a person’s ability to respond sexually/experience sexual pleasure

Subtypes:
- Lifelong = a sexual problem that has been present from first sexual experiences
- Acquired = sexual disorders that develop after a period of relatively normal sexual function
- Generalized = SD that are not limited to certain types of stimulation, situations, or partners
- Situational = SD that only occur with certain types of stimulation, situations, or partners

Factors to consider during assessment:
1. Partner factors
2. Relationship factors
3. Individual vulnerability factors - i.e. stressors & comorbidities
4. Cultural/religious factors
5. Medical factors relevant to prognosis, course, or treatment

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17
Q

delayed ejaculation - criteria

A

A. either of the following symptoms must be experienced on almost all or all occasions (approximately 75%–100%) of partnered sexual activity and without the individual desiring delay:
1. marked delay in ejaculation
2. marked infrequency or absence of ejaculation

B. Crit A symptoms have persisted for a minimum duration of approximately 6 months

C. Crit A symptoms cause clinically significant distress in the individual

D. Not better explained by a nonsexual mental disorder or as a consequence of severe relationship distress/other sig stressors; not due to medication/substance or another mental condition

specify whether:
- lifelong/acquired
- generalized/situational

specify severity:
- mild
- moderate
- severe

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18
Q

delayed ejaculation

diagnostic features

A

Difficulty/inability to ejaculate despite the presence of adequate sexual stimulation and the desire to ejaculate

Usually involves partnered sexual activity

No precise definition of ‘delay’ as there is nonconsensus as to what constitutes a reasonable time to reach orgasm or what is unacceptably long for men

Associated features supporting diagnosis:
- Partner may report prolonged thrusting to achieve orgasm to the point of exhaustion/genital discomfort and then ceasing efforts
- Some avoid sexual activity bc of the pattern of delay
- Some report feeling less sexually attractive
- The 5 factors should be considered

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19
Q

delayed ejaculation

other info

A

Prevalence: least common male sexual complaint - less than 1% of men

Development and course:
- Minimal evidence for acquired subtype
- An increase in prevalence around age 50 which continues

Risk and prognostic factors:
- Age-related loss of the fast-conducting peripheral sensory nerves
- Age-related decreased sex steroid secretion

Culture-related diagnostic issues - most common among men in Asian populations

Functional consequences
- May contribute to difficulties in conception
- Associated w/considerable distress in one/both partners

Differential diagnosis:
- Another medical condition: a situational aspect is suggestive of a psychological basis for the problem - e.g., men who can ejaculate during sex with one but not with another
- Substance/medication use - pharmacological agents can cause ejaculatory problems
- Dysfunction with orgasm - ascertain whether the complaint concerns delayed ejaculation or the sensation of orgasm, or both

Comorbidity: some evidence that it may be comorbid with severe MDD

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20
Q

erectile disorder - criteria

A

A. At least one of the 3 following symptoms experienced on 75-100% of occasions of sexual activity (in situational or generalized contexts)
1. Marked difficulty in obtaining an erection during sexual activity
2. Marked difficulty in maintaining an erection until the completion of sexual activity
3. Marked decrease in erectile rigidity

B. Symptoms persists for minimum 6 months

C. Symptoms cause clinically sig distress

D. Not better explained by a nonsexual mental disorder, etc.,

Specify if:
Lifelong / acquired
Generalized / situational

Specify severity from mild to severe

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21
Q

erectile disorder

diagnostic features

A

The key feature is the repeated failure to obtain or maintain erection during partnered sexual activities

May be specific or generalized

Associated features supporting diagnosis:
- Men may present low self-esteem, low self-confidence, and a decreased sense of masculinity, and may experience depressed affect
- Decreased sexual desire / satisfaction in partner
- Fear / avoidance of future sexual encounters
- The five factors should be assessed

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22
Q

erectile disorder

other info

A

Prevalence: strong age-related increase, particularly after age 60

Development and course
- Erectile failure on first sexual attempt has been found to be related to having sex w/a previously unknown partner, substance use, not wanting to have sex and peer pressure
- Minimal evidence that erectile dysfunction spontaneously remits without professional intervention
- Acquired erectile disorder is likely to be persistent/chronic in most men

Risk and prognostic factors:
- Temperamental: neuroticism, submissive personality traits, alexithymia (deficits in cog processing of emotions)
- Course modifiers: age, smoking tobacco, lack of physical exercise, diabetes, and decreased drive

Diagnostic markers:
- Measuring erections during sleep - helps differentiate organic from psychogenic erectile problems
- if one gets erections while sleeping but not with a partner than its most likely psychological

Differential diagnosis
- Nonsexual mental disorders: MDD - erectile disorder accompanying severe depressive disorder may occur
- Normal erectile function
- Substance medication use
- Another medical condition
- other sexual dysfunctions

Comorbidity: other sexual diagnoses + anxiety and depressive disorders

23
Q

male hypoactive sexual desire disorder - criteria

A

A. Persistently or recurrently deficient (or absent) sexual/erotic thoughts or fantasies and desire for sexual activity; the judgment of deficiency is made by the clinician, taking into account factors that affect sexual functioning, such as age and general/sociocultural contexts of the individual’s life

B. Symptoms persist for a minimum dura)on of approximately 6 months

C. Crit A symptoms cause clinically sig distress in the individual

D. Not better explained by a nonsexual mental disorder or as a consequence of severe relationship distress/other sig stressors; not due to medication/substance or another mental condition

Specify whether:
Lifelong / acquired
Generalized / situational

Specify severity

24
Q

male hypoactive sexual desire disorder

diagnostic features

A

Interpersonal context must be taken into account

Both low/absent desire for sex and deficient/absent sexual thoughts must be present for a diagnosis

Variation in how desire is expressed

Associated features supporting diagnosis
- Sometimes associated with erectile/ejaculatory problems - e.g., erectile dysfunction may lead one to stop being interested in sex
- Sexual activities may sometimes occur even in the presence of low sexual desire
- Relationship-specific-preferences must be taken into account

25
# male hypoactive sexual desire disorder other info
**Prevalence**: only a small proportion of men have a persistent, distressing lack of desire - 1.8% (16-44) **Development and course** - Short-term changes are not diagnosed - Normative age-related decline in sexual desire **Risk/prognostic factors** - Temperamental: mood and anxiety disorders appear as strong predictors + low self-esteem affects sexual desire - Environmental: alcohol use + sociacultural context - Genetic and physiological: endocrine disorders, age & testosterone (unclear) **Differential diagnosis** - Nonsexual mental disorders - Substance/medication use - may explain lack of desire - Another medical condition - if present, no diagnosis - Interpersonal factors - if present, no diagnosis - Other sex dysfunctions - can co-occur **Comorbidities** - Depression/other mental disorders - Endocrinological factors
26
premature ejaculation - criteria
A. A persistent or recurrent pattern of **ejaculation occurring during partnered sexual activity within approx 1 minute following vaginal penetration and before the individual wishes it** B. Symptoms must be present for at least **6 months** and experienced on most occasions of sex C. Symptoms cause distress D. Not better explained by a nonsexual mental disorder or as a consequence of severe relationship distress/other sig stressors; not due to medication/substance or another mental condition Specify whether: Lifelong / acquired Generalized / situational Specify severity
27
# premature ejaculation diagnostic features
Self-reported estimates are sufficient 1 minute is an appropriate cutoff for early ejaculation in lifelong premature ejaculation Similar across sexual orientations **Associated features:** - Often complain of a sense of lack of control over ejaculation - Report apprehension about their anticipated inability to delay ejaculation
28
# premature ejaculation other info
**Prevalence**: 1%-3% would be diagnosed - However, 20-30% of males report concern about how rapidly they ejaculate **Development and course** - Some men may experience EE during initial encounters but gain ejaculatory control over time - Acquired: usually appears around 40 yrs - little known about this - Age and relationship length negatively associated with prevalence **Risk and prognostic factors** - Temperamental: may be more common in men with anxiety disorders, especially social phobia - Genetic and physiological: moderate genetic contribution of lifelong EE + thyroid disease, prostatitis, drug withdrawal **Differential diagnosis** - Substance/medication induced sexual dysfunction - Ejaculatory concerns that do not meet criteria → necessary to identify males with normal latencies who desire longer latencies and males who have episodic premature ejaculation (in these cases, no diagnosis) **Comorbidity** - Associated with erectile problems - Lifelong may be associated with certain anxiety disorders - Acquired premature ejaculation: prostatitis, thyroid disease & drug withdrawal
29
female orgasmic disorder - criteria
A. Presence of either of the following experienced on almost all/all (75%-100%) occasions of sex 1. Marked **delay in/infrequency of/absence of orgasm** 2. Markedly **reduced intensity of orgasmic sensations** B. Symptoms persist for a minimum duation of approximately **6 months** C. Symptoms cause clinically sig distress D. Not better explained by.... Specify if: - Lifelong/acquired - Generalized/situational - Never experienced an orgasm under any situation Specify severity
30
# female orgasmic disorder diagnostic features
Women vary widely in their ability/intensity of orgasm - also vary in subjective descriptions The causes are usually multifactorial or cannot be determined If interpersonal or significant contextual factors exist → then a diagnosis would not be made A woman's experiencing orgasm through clitoral stimulation but not during intercourse would not meet criteria **Associated features supporting diagnosis:** - Generally, associations between specific patterns of personality traits/psychopathology and orgasmic dysfunction - not supported - Orgasm difficulties often co-occur w/problems related to sexual interest and arousal
31
# female orgasmic disorder other info
**Prevalence**: rates for female orgasmic problems vary from 10-42% - however, these estimates don't take into account the presence of distress **Development and course**: - Women show more variety in age of first orgasm and reports increase with age - Many women learn to experience orgasm **Risk and prognostic factors**: - Temperamental: anxiety, concerns about pregnancy, etc., - Environmental: strong association between relationship problems, physical/mental health & sociocultural factors - Genetic and physiological: many physiological factors influence **Differential diagnosis**: - Nonsexual mental disorders - Substance/medication - Interpersonal factors - Other sexual dysfunctions- may occur in association with other sexual dysfunctions **Comorbidity**: OD female may have co-occurring sexual interest/arousal difficulties
32
female sexual interest/arousal disorder - criteria
A. **Lack of, or sig reduced, sexual interest/arousal, as manifested by at least 3 of the following** - Absent/reduced interest in sexual activity - Absent/reduced sexual/erotic thoughts or fantasies - No/reduced initiation of sexual activity, and typically unreceptive to partner's initiations - Absent/reduced sexual excitement during sexual activity in almost all sexual encounters - Absent/reduced interest/arousal in response to any sexual/erotic cues - Absent/reduced genital/nongenital sensations during sex B. Symptoms persists for approx 6 months C. Symptoms cause clinical sig distress D. Not better explained by.... Specify if: - Lifelong/acquired - Generalized/situational - Never experienced an orgasm under any situation Specify severity
33
# female sexual interest/arousal disorder diagnostic features
Difficulties in desire and arousal often simultaneously characterize the complaints of women with this disorder Short-term changes in sexual interest/arousal are common and may be adaptive responses to events in a women's life and do not represent a sexual dysfunction **Associated features supporting diagnosis:** - FSIAD is frequently associated with problems in experiencing orgasm, pain during sex, infrequent sexual activity, and couple-level discrepancies in desire - Relationship difficulties and mood disorders are also common - Unrealistic expectations and norms regarding the 'appropriate' level of sexual interest along with poor sexual techniques/lack of info about sexuality
34
# female sexual interest/arousal disorder other info
**Prevalence**: unknown - too varied across settings and factors **Development and course**: - There are normative changes in sexual interest and arousal across the life span - desire may decrease w age **Risk and prognostic factors**: - Temperamental: neg cog about sexuality and past history of mental disorders - Environmental: incl., relationship difficulties, partner sexual functioning, and developmental history - Genetic and physiological: appears to be a strong influence of genetic factors on vulnerability to sexual problems in women **Differential diagnosis**: - Nonsexual mental disorders: depressive disorders - Substance/medication use - Another medical condition - if yes, no diagnosis - Interpersonal factors - if yes, no diagnosis - Other sexual dysfunctions: can be comorbid - Inadequate or absent sexual stimuli - important to assess the adequacy of sexual stimuli within the women's sexual experience **Comorbidity:** - Depression, thyroid problems, anxiety, urinary incontinence, etc., - IBS - Depression - Sexual/physical abuse in adulthood
35
genito-pelvic pain/penetration disorder - criteria
A. **Persistent or recurrent difficulties with 1 (or more) of the following**: - Vaginal penetration during intercourse - Marked vulvovaginal or pelvic pain during vaginal intercourse/penetration attempts - Marked fear/anxiety about this pain in anticipation/during/or as a result of vaginal penetration - Marked tensing or tightening of the pelvic floor muscles during attempted vaginal penetration B. symptoms persist for approximately 6 months C. symptoms cause clinically sig distress D. Not better explained by... Specify whether: - Lifelong / acquired - Generalized / situational Specify severity
36
# genito-pelvic pain/penetration disorder diagnostic features
4 commonly comorbid symptom dimensions 1. Difficulty having intercourse 2. Genito-pelvic pain - usually characterized as superficial or deep 3. Fear of pain or vaginal penetration - avoidance similar to phobia 4. Tension of the pelvic floor muscles - can vary from reflexive-like spasms to voluntary muscle guarding Diagnosis can be made just based on one but all should be assessed **Associated features supporting diagnosis:** - Frequently associated with other sexual dysfunctions - Sometimes desire/interest is preserved in sexual situations that do not require penetration - Avoidance of gynecological examinations despite medical recommendations is also frequent - Symptoms significantly diminish feelings of femininity
37
# genito-pelvic pain/penetration disorder other info
**Prevalence** - unknown, however, approx 15% of US women report pain during sex **Development and course:** - Generally unclear - Because women don’t seek treatment till they experience problems in sexual functioning, it is difficult to characterize it as lifelong or acquired - Complaints peak during early adulthood and in the peri- postmenopausal period **Risk and prognostic factors**: - Environmental: sexual and physical abuse often listed - Genetic and physiological: onset of pain is sometimes linked to a history of vaginal infections **Differential diagnosis**: - Another medical condition - common - Somatic symptom and related disorders - not clear whether the two can be differentiated as they are relatively new disorders - Inadequate sexual stimuli - if inadequate foreplay arousal this may lead to pain **Comorbidity:** - Common with other sexual difficulties - Relationship distress - Disorders related to the pelvic floor/reproductive organs
38
insomnia disorder - criteria
A. A predominant complaint of **dissatisfaction with sleep quality or quality**, associated with one or more of the following: 1. **Difficulty initiating sleep** 2. **Difficulty maintaining sleep**, characterized by frequent awakenings or problems returning to sleep after awakenings 3. **Early-morning awakening** with inability to return to sleep B. The sleep disturbance causes clinically significant distress/impairment C. The sleep difficulty occurs at least **3 nights per week** D. Is present for at least **3 months** E. It occurs despite adequate opportunity for sleep F. Not better explained by and does not occur exclusively during the course of another sleep-wake disorder G. The insomnia is not attributable to the physiological effects of a substance H. Coexisting mental disorders do not adequately explain the predominant complaint of insomnia Specify if comorbid Specify if: - **Episodic**: symptoms last at least 1 month but less than 3 months - **Persistent**: symptoms last 3 months or longer - **Recurrent**: two (or more) episodes within the space of 1 year
39
# insomnia disorder diagnostic features
Different manifestations of insomnia can occur at different times of the sleep period Difficulty maintaining sleep is the most common single symptom of insomnia, followed by difficulty falling asleep **Nonrestorative sleep** = a complaint of poor sleep quality that doesn't leave the indiv rested upon awakening despite adequate duration **Associated features supporting diagnosis:** - A preoccupation with sleep and distress due to the inability to sleep may lead to a **vicious cycle** → the more the individual strives to sleep, the more frustration builds and further impairs sleep - Inso may be accompanied by a variety of daytime complaints and symptoms - incl fatigue, decreased energy, and mood disturbances
40
# insomnia disorder other info
**Prevalence**: around 30% of adults report insomnia symptoms - Around 6-10% have symptoms meeting disorder criteria - Generally, most prevalent of all sleep disorders - More common among females - Most commonly observed as a comorbid condition with another medical condition/mental disorder **Development and course:** - First episode is more common in young adulthood - Situational (acute) insomnia: usually lasts a few days/weeks and is often associated with life events or rapid changes in sleep schedules or environment - Episodic insomnia: recurrent episodes of sleep difficulties associated with the occurrence of stressful events **Risk and prognostic factors:** - Temperamental: anxiety or worry-prone personality/cog styles, increased arousal predisposition, and tendency to repress emotions - Environmental: noise, light, temperature, and high altitude may increase vulnerability - Genetic and physiological: female gender, and advancing age + insomnia is heritable **Differential diagnosis:** - Breathing-related sleep disorders: as many as half of individuals with sleep apnea may report insomnia symptoms, a feature that is more common among females and older adults - Narcolepsy: may cause insomnia, but it's distinguished by the predominance of symptoms of excessive daytime sleepiness, cataplexy, sleep paralysis and sleep-related hallucinations - Parasomnias: characterized by a complaint of unusual behaviors or events during sleep that may lead to intermittent awakenings and difficulty resuming sleep' - Substance/medication-induced sleep disorder, insomnia type **Comorbidity**: - Insomnia is a common comorbidity of many medical conditions - Mental disorders: most common are bipolar, depressive, and anxiety disorders - Insomnia patients may misuse medication or alcohol to help with nighttime sleep, anxiolytics to combat tension/anxiety, and caffeine to combat excessive fatigue
41
hypersomnolence disorder - criteria
A. **Self-reported excessive sleepiness** (hypersomnolence) despite a main sleep period lasting at least 7 hours, with **at least one of the following**: - Recurrent periods of sleep or lapses into sleep within the same day - A prolonged main sleep episode of more than 9 hours per day that is nonrestorative (i.e., unrefreshing) - Difficulty being fully awake after abrupt awakening B. Hypersomnolence occurs at least **3 times per week**, for at least **3 months** C. Causes significant distress/impairment D. Not better explained by and doesn't occur exclusively during the course of another sleep disorder E. Not attributable to a substance F. Comorbid disorders don't explain the predominant complaint of hypersomnolence Specify if: - Acute: less than 1 month - Subacute: 1-3 months - Persistent: more than 3 months Specify severity - Mild: difficulty maintaining alertness 1-2 days/week - Moderate: difficulty maintaining alertness 3-4 days/week - Severe: difficulty maintaining alertness 5-7 days/week
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narcolepsy
A. Recurrent periods of an **irrepressible need to sleep, lapsing into sleep, or napping occurring within the same day**. Must occur at least **3 times per week over 3 months** B. Presence of at least one of the following: 1. **Episodes of cataplexy**, defined as either (a) or (b), occurring at least a few times per month a. In individuals with long-standing disease, brief episodes of sudden bilateral loss of muscle tone with maintained consciousness that are precipitated by laughter or joking b. In children/individuals within 6 months of onset, spontaneous grimaces or jaw-opening episodes with tongue thrusting or a global hypotonia, without any obvious emotional triggers 2. **Hypocretin deficiency** as measured using cerebrospinal fluid 3. **Polysomnography showing REM sleep latency less than/equal to 15 minutes**, or a multiple sleep latency test showing a mean sleep latency less/equal to 8 minutes and two or more sleep-onset REM episodes
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obstructive sleep apnea hypopnea - criteria
A. Either (1) or (2): 1. Evidence by polysomnography of **at least 5 obstructive apneas or hypopneas per hour of sleep and either of the following**: -Nocturnal breathing disturbances; snoring, snorting, breathing pauses, etc., -Daytime sleepiness, fatigue, or unrefreshing sleep despite sufficient opportunities 2. Evidence by **polysomnography of 15 or more obstructive apneas and/or hypopneas per hour of sleep** regardless of accompanying symptoms Specify severity: - Mild: Apnea hypopnea index less than 15 - Moderate: Apnea hypopnea index is 15-30 - Severe: Apnea hypopnea index is greater than 30 Severity is measured by a count of the number of apneas plus hypopneas per hour of sleep (apnea hypopnea index) using polysomnography
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# OSAH diagnostic features
**OSAH is the most common breathing-related sleep disorder** Characterized by repeated episodes of upper airway obstruction (apneas and hypopneas) during sleep **Apnea** refers to the total absence of airflow, and **hypopnea** refers to a reduction in airflow Diagnosed on the basis of polysomnographic findings and symptoms If evidence of 15 or more OSAH per hour of sleep, the diagnosis can be made in the absence of other symptoms **Associated features supporting diagnosis:** - Bc of sleep disturbance, indiv may report symptoms of insomnia - Other common symptoms are heartburn, nocturia, morning headaches, dry mouth, erectile dysfunction, and reduced libido - Hypertension may occur in 60% of patients
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# OSAH other info
**Prevalence**: 1%-2% of children, 2%-15% of middle-aged adults, and more than 20% of older individuals - May be particularly high among: males, older adults, obese individuals & certain racial/ethnic groups **Development and course:** - Age distribution follows a J-shaped distribution = some observations at one end, very few in the middle, and a large number at the end - Course in older age is unclear - Usually has an insidious onset, gradual progression, and persistent course **Risk and prognostic factors:** - Genetic and physiological: the major risk factors are obesity and male gender + genetic syndromes that reduce upper airway patency, menopause and various endocrine symptoms + strong genetic basis **Differential diagnosis:** - Primary snoring and other sleep disorders: differentation requires polysomnography - Insomnia disorder: may coexist → diagnose both - ADHD: ADHD in children may include symptoms that may also be the result of symptoms of OSAH - Substance/medication **Comorbidity:** - Heart diseases, diabetes, systemic hypertension - Depression
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central sleep apnea - criteria
A. Evidence by polysomnography of **5 or more central apneas per hour of sleep** B. Not better explained by another current sleep disorder Specify whether: - **Idiopathic central sleep apnea**: caused by variability in respiratory effort but without evidence of airway obstruction - **Cheyne-stokes breathing**: a pattern of periodic crescendo-decrescendo variation in tidal volumes leading to apneas - **Central sleep apnea w comorbid with opioid use**: pathogenesis attributed to the effects of opioids on the respiratory rhythm Different from OSAH because the throat muscles relax and block the airway It occurs because the **brain doesn't send proper signals to the muscles that control breathing** - i.e., not a physical obstruction but rather a lack of communication between the brain and the muscles that control breathing
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sleep-related hypoventilation - criteria
A. Polysomnography demonstrates **episodes of decreased respiration associated with elevated CO2 levels** - Note: in the absence of objective measurement of CO2, persistent low levels of hemoglobin oxygen saturation may indicate hypoventilation B. Not better explained by another current sleep disorder Specify if: - Idiopathic hypoventilation - not attributable to any readily identified condition - Congenital central alveolar hypoventilation - Comorbid sleep-related hypoventilation
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circadian rhythm sleep-wake disorders - criteria
A. A persistent/recurrent pattern of **sleep disruption** that is primarily due to an **alteration of the circadian system or to a misalignment between the endogenous circadian rhythm and the sleep-wake schedule required by an individual's social/proffesional schedule** B. This leads to excessive sleepiness, insomnia, or both C. This causes clinically significant distress or impairment Specify if: - **Delayed sleep phase type**: a pattern of delayed sleep onset and awakening times, with an inability to fall asleep and awaken at a desired / normative time - **Advanced sleep phase typ**e: a pattern of advanced sleep onset and awakening times, with an inability to remain awake or asleep until the desired time - **Irregular sleep-wake type**: disorganized pattern, such that the timing of sleep and wake periods is variable throughout the 24-hour period - **Non-24-hour sleep-wake type**: a pattern of sleep-wake cycles that is not synchronized to the 24-hour environment, with a consistent daily drift (usually to later and later times) of sleep onset and wake times - **Shift work type**: alterations due to a shift in work schedule requiring unconventional work hours - **Unspecified**
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NREM sleep arousal disorder - criteria
A. Recurrent episodes of **incomplete awakening from sleep**, usually occurring during the first third of the major sleep episode, **accompanied by either one of the following**: - **Sleepwalking**: repeated episodes of rising from bed during sleep and walking about - **Sleep terrors**: recurrent episodes of abrupt terror arousals from sleep, usually beginning with a panicky scream B. **No or little** (e.g., only a single visual scene) **dream imagery is recalled** C. **Amnesia** for the episode is present D. Episodes cause clinically significant distress/impairment E. Not attributable to a substance F. Comorbid disorders don't explain this Specify whether: - Sleepwalking type - specify if: with sleep-related eating or with sleep-related sexual behavior (sexsomnia) - Sleep terror type
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nightmare disorder - criteria
A. Repeated occurrences of **extended, extremely dysphoric, and well-remembered dreams that usually involve efforts to avoid threats to survival, security, or physical integrity** that usually occur during the 2nd half of the major sleep episode B. On awakening from the dysphoric dreams, the individual rapidly becomes oriented and alert C. Causes distress/impairment D. Not attributable to substance E. Not explained by comorbidities Specify if: during sleep onset Specify if: - W/associated non-sleep disorder - W/associated other medical condition - W/associated other sleep disorder Specify if: - Acute: 1 month or less - Subacute: more than 1, less than 6 months - Persistent: more than 6 months Specify severity: - Mild - less than one episode per week on average - Moderate - one or more per week but not nightly - Severe - every night
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rapid eye movement sleep behavior disorder
A. Repeated **episodes of arousal during sleep associated with vocalization and/or complex motor behaviors** B. The behaviors **arise during REM sleep** and therefore usually occur more than 90 min after sleep onset, are more frequent during the later portions of the sleep period, and uncommonly occurring during daytime naps C. Upon awakening, the individual is **completely awake, alert and not confused or disoriented** D. Either of these: - REM sleep without atonia or polysomnographic recording - A history suggestive of REM sleep behavior disorder and established synucleinopathy diagnosis (e.g., parkinson's) E. Distress/impairment F. Not substance G. Not explained by comorbidity
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restless leg syndrome - criteria
A. An **urge to move the legs, usually accompanied by or in response to uncomfortable and unpleasant sensations in the legs**, characterized by all of the following; - The urge begins or worsens during periods of rest/inactivity - The urge is partially or totally relieved by movement - The urge is worse in the evening or at night than during the day, or occurs only in the evening or at night B. symptoms occur at least 3 times per week and have persisted for at least 3 months C. Distress/impairment D. Not substance E. Not explained by comorbidity
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subtance / medication induced sleep disorder - criteria
A. A prominent and severe **disturbance in sleep** B. There's evidence from the history, physical examination, or lab findings of both (1) and (2): - The symptoms in Crit A **developed during or soon after substance intoxication or after withdrawal** from or exposure to a medication - The **involved substance is capable of producing the symptoms** in criterion A C. Not better explained by a sleep disorder that is not substance/medication-induced D. Doesn't occur exclusively during the course of delirium E. Causes distress/impairment