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  • Abdominal Pain, Acute
  • Abdominal pain, Chronic
  • Alopecia
  • Amenorrhea
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  • Breast Lumps
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  • Eye Pain
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  • Fever, Acute, in Adults
  • Fever, Chronic (FUO)
  • Fever in Infants and Children
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  • Hearing Loss: Sudden Deafness
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  • Itching
  • Itching, Anal
  • Jaundice in Adults
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  • Joint Pain, Monarticular
  • Joint Pain, Polyarticular
  • Knee pain
  • Lump in Throat
  • Nasal Congestion and Rhinorrhea
  • Nausea and Vomiting During Early pPregnancy
  • Nausea and Vomiting in Adults
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  • Neck Mass
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  • Orthostatis Hypotension
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  • Pain, Chronic
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  • Vaginal Bleeding During Early Pregnancy
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  • Vision, Blurred
  • Vision Loss, Acute
  • Weakness, Generalized
  • Wheezing
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Sections in Health Care Professionals
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  • Merck Manual
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  • Psychiatric Disorders
 
Psychiatric Disorders
Approach to the Patient With Mental Symptoms
Introduction
expand / collapse Routine Psychiatric Assessment
History
Mental Status Examination
expand / collapse Medical Assessment of the Patient With Mental Symptoms
expand / collapseEvaluation
History
Physical examination
Interpretation of findings
Testing
expand / collapseBehavioral Emergencies
Causes
expand / collapseGeneral Principles
Staff and public safety
expand / collapse Physical Restraints
Procedure
Complications
expand / collapse Chemical Restraints
Drugs
Adverse effects of benzodiazepines
Adverse effects of antipsychotic drugs
expand / collapse Legal Considerations
Consent and involuntary treatment
Anxiety Disorders
expand / collapseOverview of Anxiety Disorders
Etiology
Symptoms and Signs
Diagnosis
Treatment
expand / collapse Generalized Anxiety Disorder
Symptoms and Signs
Diagnosis
Treatment
expand / collapse Obsessive-Compulsive Disorder (OCD)
Symptoms and Signs
Diagnosis
Treatment
expand / collapse Panic Attacks and Panic Disorder
Symptoms and Signs
Diagnosis
Treatment
expand / collapse Phobic Disorders
expand / collapseSymptoms and Signs
Agoraphobia
Social phobia (social anxiety disorder)
Specific phobias
Diagnosis
Prognosis
Treatment
expand / collapse Stress Disorders
expand / collapse Acute Stress Disorder
Diagnosis
Treatment
expand / collapse Posttraumatic Stress Disorder
Symptoms and Signs
Diagnosis
Treatment
Dissociative Disorders
Overview of Dissociative Disorders
expand / collapse Depersonalization Disorder
Symptoms and Signs
Diagnosis
Prognosis
Treatment
expand / collapse Dissociative Amnesia
Symptoms and Signs
Diagnosis
Prognosis
Treatment
expand / collapse Dissociative Fugue
Etiology
Symptoms and Signs
Diagnosis
Prognosis
Treatment
expand / collapse Dissociative Identity Disorder
Etiology
Symptoms and Signs
Diagnosis
Prognosis
Treatment
Eating Disorders
Introduction
expand / collapse Anorexia Nervosa
Pathophysiology
Symptoms and Signs
expand / collapseDiagnosis
Differential diagnosis
Prognosis
Treatment
expand / collapse Bulimia Nervosa
Pathophysiology
Symptoms and Signs
Diagnosis
Treatment
expand / collapse Binge Eating Disorder
Diagnosis
Treatment
Mood Disorders
Overview of Mood Disorders
expand / collapse Depressive Disorders
Etiology
expand / collapse Symptoms and Signs
Major depression (unipolar disorder)
Dysthymia
Depression not otherwise specified (NOS)
Mixed anxiety-depression
expand / collapseDiagnosis
Differential diagnosis
Testing
expand / collapseTreatment
Initial support
Psychotherapy
Selective serotonin reuptake inhibitors (SSRIs)
Serotonin modulators (5-HT2 blockers)
Serotonin-norepinephrine reuptake inhibitors
Norepinephrine-dopamine reuptake inhibitors
Heterocyclic antidepressants
Monoamine oxidase inhibitors (MAOIs)
Drug choice and administration
Electroconvulsive therapy (ECT)
Phototherapy
Other therapies
expand / collapse Bipolar Disorders
Etiology
expand / collapseSymptoms and Signs
Mania
Hypomania
Depression
Mixed state
Diagnosis
expand / collapseTreatment
Drug selection and use
Lithium
Anticonvulsants
Antipsychotics
Precautions during pregnancy
Education and psychotherapy
expand / collapse Cyclothymic Disorder
Treatment
Personality Disorders
expand / collapsePersonality Disorders
expand / collapseClassification
Schizotypal personality disorder
Borderline personality disorder
Antisocial personality disorder
Narcissistic personality disorder
Avoidant personality disorder
Obsessive-compulsive personality disorder
Diagnosis
expand / collapseTreatment
General principles of treatment
Treatment of specific disorders
Key Points
Schizophrenia and Related Disorders
Introduction
Brief Psychotic Disorder
expand / collapse Delusional Disorder
Symptoms and Signs
Diagnosis
Prognosis
Treatment
expand / collapse Schizoaffective Disorder
Treatment
expand / collapse Schizophrenia
expand / collapseEtiology
Neurodevelopmental vulnerability
Environmental stressors
expand / collapseSymptoms and Signs
Phases
Symptom categories
Subtypes
Suicide
Violence
Diagnosis
Prognosis
expand / collapse Treatment
Conventional antipsychotics
Second-generation antipsychotics
Rehabilitation and community support services
Psychotherapy
Schizophreniform Disorder
expand / collapse Substance-Induced Psychotic Disorder
Diagnosis
Treatment
Sexuality and Sexual Disorders
Overview of Sexual Behavior
expand / collapse Gender Identity Disorder and Transsexualism
Etiology
Symptoms and Signs
Diagnosis
expand / collapseTreatment
Male-to-female transsexualism
Female-to-male transsexualism
expand / collapse Paraphilias
expand / collapse Fetishism
Transvestic fetishism
expand / collapse Exhibitionism
Treatment
expand / collapse Voyeurism
Treatment
Sexual Masochism
Sexual Sadism
expand / collapse Pedophilia
Treatment
Somatoform and Factitious Disorders
Overview of Somatization
expand / collapse Body Dysmorphic Disorder
Symptoms and Signs
Diagnosis
Treatment
expand / collapse Conversion Disorder
Symptoms and Signs
Diagnosis
Treatment
expand / collapse Hypochondriasis
Symptoms and Signs
Diagnosis
Treatment
expand / collapse Munchausen Syndrome
Diagnosis
Treatment
Munchausen Syndrome by Proxy
expand / collapse Pain Disorder
Symptoms and Signs
Diagnosis
Treatment
expand / collapse Somatization Disorder
Symptoms and Signs
Diagnosis
Treatment
Suicidal Behavior
expand / collapseSuicidal Behavior
Epidemiology
Etiology
Methods
Management of Suicidal Acts
expand / collapse Prevention
Treatment of depression and risk of suicide
Effect of Suicide
Physician Aid in Dying
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Photographs
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