Clinical Features of Common Psychiatric Disorders

Dr. Shivan A.C. Mahabir

Categorisation of Mental Illness

Physiological Basis not FULLY understood.

Assumptions made based onCadaver studies

Response to treatment

Chemical analysis of human tissue

Current classification of illness made primarily on basis of phenomenology although consideration are given to the course of the illness and response to treatment.

Conditions to consider

Schizophrenia

Affective Disorders

Anxiety Disorders

Attention Deficity Hyperactivity Disorder

Autism

Stress Disorders

Substance Use Disorders

Schizophrenia

DSM 5 schizophrenia spectrum and other psychotic disordersDelusional disorder

Brief psychotic disorder

Schizophreniform disorder

Schizophrenia

Psychotic disorder 2* to Medication or Substance use

Psychotic disorder 2* to GMC

Affective Disorders

Affective disorders or Mood Disorders in DSM 5 and separated into:Depressive Disorders

Bipolar and Related Disorders

Depressive DisordersDisruptive Mood Dysregulation Disorder

Major Depressive Disorder

Persistent Depressive Disorder (Dysthymia)

PMDD

Major Depressive Episode

Sleep

Weight

Irritability

Guilt / Worthlessness

Energy

Concentration

Anhedonia

Psychomotor Retardation

Suicidal ideation

Affective Disorders

Bipolar and Related Disorders

Mania vs Hypomania

Bipolar I Disorder

Bipolar II Disorder

Cyclothymic Disorder

Affective Disorders

Bipolar and Related Disorders

Mania vs Hypomania

Bipolar I Disorder

Bipolar II Disorder

Cyclothymic Disorder

Anxiety disorders

Generalised Anxiety Disorder

Separation Anxiety Disorder

Panic Disorder +/- Agoraphobia

Social Anxiety Phobia

Specific Phobias

Anxiety disorders

Generalised Anxiety Disorder

Excess anxiety / worry +Concentration

Fatigue

Irritability

Restlessness

Sleep

Tense (Muscle Tension)

A. D. H. D.

Neurodevelopmental Disorder

School age children

More than one setting

Treated paradoxically with stimulants

Link with ADHD, conduct disorder, substance use and depression later in life.

A. D. H. D.

Autism Spectrum Disorders

Neurodevelopmental Disorder

Cluster of related illnesses

DSM 5 controversy for melding asperger's syndrome into a. s. d.

Autism Spectrum Disorders

Stressor Related Disorders

Adjustment Disorder

Acute Stress Disorder

Post Traumatic Stress Disorder

Stressor Related Disorders

Substance Use Disorders

Multiple drugs

Similiar Underlying Principles

Variations for the Physiologic Effects of the drug eg. No withdrawal criterion for hallucinogens.

Substance Use Disorders

Gambling Disorder

Reference

Diagnostic and Statistical Manual of Mental Disorders. 5th Edition. American Psychiatric Association, 2013.

Thank You For Listening!

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