Bipolar Affective disorder.

Bipolar affective disorder, or manic-depressive illness (MDI), is a common, severe, and persistent mental illness. This condition is a serious lifelong struggle and challenge.[1]
Signs and symptoms

Bipolar affective disorder is characterized by periods of deep, prolonged, and profound depression that alternate with periods of an excessively elevated or irritable mood known as mania.

Manic episodes are feature at least 1 week of profound mood disturbance, characterized by elation, irritability, or expansiveness (referred to as gateway criteria). At least 3 of the following symptoms must also be present[2] :

Hypomanic episodes are characterized by an elevated, expansive, or irritable mood of at least 4 consecutive days’ duration. At least 3 of the following symptoms are also present[2] :

Grandiosity or inflated self-esteem
Diminished need for sleep
Pressured speech
Racing thoughts or flight of ideas
Clear evidence of distractibility
Increased level of goal-focused activity at home, at work, or sexually
Engaging in activities with a high potential for painful consequences

Major depressive episodes are characterized as, for the same 2 weeks, the person experiences 5 or more of the following symptoms, with at least 1 of the symptoms being either a depressed mood or characterized by a loss of pleasure or interest[2] :

Depressed mood
Markedly diminished pleasure or interest in nearly all activities
Significant weight loss or gain or significant loss or increase in appetite
Hypersomnia or insomnia
Psychomotor retardation or agitation
Loss of energy or fatigue
Feelings of worthlessness or excessive guilt
Decreased concentration ability or marked indecisiveness
Preoccupation with death or suicide; patient has a plan or has attempted suicide

See Clinical Presentation for more detail.

Examination of patients with suspected bipolar affective disorder includes evaluation using the Mental Status Examination as well as assessment of the following:

Thought content
Physical health


Although bipolar disorder is diagnosed based on the patient’s history and clinical course, laboratory studies may be necessary to rule out other potential causes of the patient’s signs and symptoms as well as to have baseline results before administering certain medications.

Laboratory tests that may be helpful include the following:

CBC count
ESR levels
Fasting glucose levels
Electrolyte levels
Protein levels
Thyroid hormone levels
Creatinine and blood urea nitrogen levels
Liver and lipid panel
Substance and alcohol screening

Depending on the patient’s presentation, other laboratory tests may be indicated, which may include the following:

Urinary copper levels
Antinuclear antibody testing
HIV testing
VDRL testing

Electrocardiography is important in elderly patients and before antidepressant therapy. Electroencephalography and/or MRI may be appropriate for selected patients.

The treatment of bipolar affective disorder is directly related to the phase of the episode (ie, depression or mania) and the severity of that phase, and it may involve a combination of psychotherapy and medication. Always evaluate patients with mania, hypomania, or mixed episode, and those with bipolar depression, for suicidality, acute or chronic psychosis, or other unstable or dangerous conditions.[3

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