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Axis II Disorders
Behavioral Medicine
Question | Answer |
---|---|
MR defn | IQ <70; limitations in multiple skill domains & adaptive functioning. Must manifest before age 18 |
MR classifications by IQ: | Mild (55-70), moderate (35-55), severe (20-35); profound (<25) |
Hypotonia, oblique palpebral fissures, flattened skull, short inward-curving fingers, single palmar transverse crease, weak Moro reflex = | Down syndrome |
Large, long head / ears; short; hyperextensible joints; macroorchidism; intellectual decline during puberty; often comorbid ADHD = | Fragile X syndrome |
Compulsive eating / hyperphagia / obesity; hypogonadism; hypotonia; small hands = | Prader-Willi syndrome |
Severe MR; microcephaly; low set ears; oblique palpebral fissures; hypertelorism; micrognathia = | Cri du Chat syndrome |
Hyperactive; erratic behavior; eczema; N/V, convulsions; stereotypies; severely impaired communication = | Phenylketonuria |
Axis II personality disorders as clusters of symptoms | A. Odd-Eccentric; B. Dramatic-Erratic; C. Anxious-Fearful |
Personality disorders: Odd-Eccentric Cluster | Paranoid, Schizoid, Schizotypal |
Personality disorders: Dramatic-Erratic cluster | Antisocial, Borderline, Histrionic, Narcissistic |
Personality disorders: Anxious-fearful cluster | Avoidant, Dependent, Obsessive-Compulsive |
Cluster A PD: pattern of withdrawal, inhibition / absence of emotional expression, shy; bland / constricted affect = | Schizoid PD |
Cluster A PD: thought & behaviors suggesting schizophrenia w/o sxs of psychosis = | Schizotypal PD (3% of population) |
Cluster A PD: suspiciousness, delusions of persecution / grandeur w/o hallucination; global, excessive, or irrational suspicion = | Paranoid PD (0.5 – 2.5%) |
Cluster B PD: behaviors deviating from norms, rules, & laws; no remorse = | Antisocial PD (3% M; 1% F); often conduct disorder as kids; runs in families; transient or poor urban areas |
Cluster B PD: excessive, impulsive behaviors, intense brief chaotic relationships, promiscuity, substance abuse; splitting; chronic anger; suicidal threats; depression = | Borderline PD (1-2%, F>M) |
Borderline PD lab workup | Abnormal dexamethasone suppression & thyrotropin tests; possible sleep disturbance |
Borderline PD mgmt. | Psychotherapy is tx of choice; meds for specific personality problems |
Cluster B PD: emotionality, self-absorption, attention seeking; tantrums = | Histrionic PD (2-3%) |
Cluster B PD: grandiose, self-important; arrested development / infantile = | Narcissistic PD (1%); runs in families |
Cluster C PD: inhibited social behaviors, exquisitely sensitive to perceived negative eval; feel inadequate = | Avoidant PD (5-10%) |
Cluster C PD: dependent / submissive behavior; longstanding pathologic relationship with one person = | Dependent PD (F>M); may tx panic attacks with imipramine |
Cluster C PD: preoccupied with order, perfectionism, control; emotional constriction; inflexible, inefficient = | Obsessive Compulsive PD (M>F, oldest kid, runs in families) |
Schizoid vs schizotypal personality disorder | Schizotypal: superstitious, isolated, suspicious, eccentric, odd speech. Schizoid: shy, withdrawn, avoids close relationships |