Bipolar Flashcards

(26 cards)

1
Q

What is the minimum duration of a manic episode according to ICD-10?

A

At least 1 week, or any duration if hospitalization is required.

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2
Q

What is the core mood feature required for a manic episode in ICD-10?

A

Abnormally elevated, expansive, or irritable mood clearly abnormal for the individual.

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3
Q

How many symptoms are required to diagnose a manic episode in ICD-10?

A

At least 3, or 4 if the mood is only irritable

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4
Q

associated symptoms of mania in ICD-10.

A

D - Distractibility or constant changes in activity or plans
I - inpulsivity such as overspending, reckless driving, or foolish business investments
G - Grandiosity - Inflated self-esteem or grandiosity

F - Flight of ideas or subjective experience of racing thoughts
A - activity increase
S - sleep deficit
T - talkativeness

Loss of normal social inhibitions, resulting in inappropriate behavior
Marked sexual energy or sexual indiscretions

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5
Q

What is required in terms of functional impact in ICD-10 mania?

A

Significant disruption to work/social life, hospitalization, or psychotic features.

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6
Q

What are the exclusion criteria for ICD-10 mania?

A

Not due to substance use, medications, or a general medical condition.

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7
Q

Icd 11 differences of mania

A

Duration - several days, typically at least one week

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8
Q

What is the minimum duration for hypomania in ICD-10?

A

At least 4 consecutive days.

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9
Q

How many symptoms are required for ICD-10 hypomania?

A

At least 4 consecutive days.

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10
Q

How many symptoms are required for ICD-10 hypomania?

A

3 or more (4 if mood is only irritable).

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11
Q

Can psychotic symptoms occur in hypomania per ICD-10?

A

No, psychotic symptoms exclude the diagnosis.

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12
Q

Functional impact of hypomania

A

No severe impairment in social or occupational functioning,

No psychotic symptoms,

Hospitalization not required.

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13
Q

Risk assessment of BPAD

A

πŸ”΄ 1. Risk of Suicide

High during depressive episodes and mixed states

Increased risk if:

History of suicide attempts or self-harm

Feelings of hopelessness or worthlessness

Comorbid substance misuse

Poor insight into illness

Recent discharge from psychiatric care

πŸ”΄ 2. Risk of Harm to Others

More likely in manic or psychotic states

Can result from:

Irritability or aggression

Grandiose or persecutory delusions

Poor impulse control

πŸ”΄ 3. Risk to Physical Health

Poor self-care during episodes

Side effects of medications (e.g., lithium toxicity)

Comorbid conditions (e.g., obesity, diabetes, cardiovascular disease)

Substance misuse (common in BPAD)

πŸ”΄ 4. Risk of Non-Adherence to Treatment

Often due to:

Poor insight during manic episodes

Side effects of medications

Distrust of services or denial of illness

πŸ”΄ 5. Risk to Social and Occupational Functioning

Relationship breakdowns

Job loss or financial problems

Legal issues (e.g., during manic episodes)

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14
Q

Admission criteria

A
  1. High risk of suicide of homicide
  2. Endangering relationships, reputation, assets
  3. Poor adherence
    Lack of psychosocial support
    Severe psychotic symptoms
    Severe depressive symptoms
    Severe mixed state or rapid cycling
    Catatonic
    Comorbidities
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15
Q

Acute manic episode management

A

πŸ”Ή First-line options:

Atypical antipsychotic (monotherapy):

e.g. Olanzapine, Risperidone, Quetiapine, or Haloperidol

πŸ”Ή If symptoms are severe or response is inadequate:

Add lithium to the antipsychotic

Alternatively, valproate may be used if lithium is unsuitable

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16
Q

Acute depression

A

πŸ”Ή First-line:

Fluoxetine + Olanzapine combination
OR

Quetiapine monotherapy
OR

Olanzapine monotherapy

πŸ”Ή Alternatives:

Lamotrigine (especially for bipolar II depression)

Valproate (less preferred, especially in women of childbearing age)

> ⚠️ Do NOT prescribe antidepressant monotherapy due to risk of switching to mania

17
Q

What is the mechanism of action of lithium in mood disorders?

A

Lithium modulates neurotransmission via effects on second messenger systems (e.g., inhibits inositol monophosphatase and GSK-3), leading to neuroprotective and mood-stabilising effects.

18
Q

Which drugs commonly interact with lithium and increase its toxicity risk?

A

NSAIDs (e.g., ibuprofen)

ACE inhibitors

Thiazide diuretics

Some antibiotics (e.g., tetracyclines, metronidazole)

Ssri

Methyldopa

Haloperidol

CCBs

19
Q

What are the common side effects of lithium?

A

Tremor

Polyuria/polydipsia (nephrogenic diabetes insipidus)

Weight gain

Hypothyroidism

GI upset

Metallic taste

20
Q

What teratogenic effects are associated with lithium use in pregnancy?

A

Lithium is associated with Ebstein’s anomaly (a rare congenital heart defect) when used in the first trimester.
NICE recommends avoiding lithium during early pregnancy unless essential

21
Q

What are the signs of lithium toxicity?

A

GI: nausea, vomiting, diarrhoea

CNS: coarse tremor, confusion, ataxia, dysarthria

Severe: seizures, coma, death

22
Q

How is lithium toxicity managed?

A

Stop lithium immediately

Forced diuresis with NS

Check serum lithium level, renal function, ECG

Supportive care

Dialysis if severe (e.g., level >2.5 mmol/L or severe neurotoxicity)

23
Q

Ix prior to Li

A

Physical
FBC
UNE
TFT
baseline bmi
Ecg
Preg test

24
Q

Li dosing

A

400 - 600 starting
Max 2 g
Usual 800 - 1.2

25
What monitoring is required for a patient on lithium therapy?
πŸ”Ή Before starting: Renal function (U&E, eGFR) Thyroid function (TSH, T4) Baseline weight and BMI ECG if >40 years or cardiac risk Pregnancy test in women of childbearing potential πŸ”Ή Lithium level monitoring: Target level: 0.6–0.8 mmol/L (maintenance) 0.8–1.0 mmol/L (if relapse risk is high) Timing: 12 hours post-dose (β€œtrough” level) Weekly until stable, then every 3 months Renal n thyroid function: Every 6 months πŸ”Ή Weight/BMI: Every 6 months
26
What key points should be included when counselling a patient starting lithium?
βœ… Purpose: Explain that lithium is a mood stabiliser used to prevent mood episodes in bipolar disorder. βœ… Dosing: Take regularly at the same time each day. Avoid missing doses or sudden discontinuation. βœ… Monitoring: Regular blood tests to monitor lithium level, kidney, and thyroid function. Levels must be done 12 hours after the last dose. βœ… Signs of toxicity: Warn to report: Nausea, vomiting, diarrhoea Tremor Confusion, drowsiness Muscle weakness or unsteady gait βœ… Drug & diet interactions: Avoid NSAIDs, ACE inhibitors, and diuretics unless advised. Keep salt intake stable – sudden reduction increases lithium levels. Stay well hydrated, especially in hot weather or illness. βœ… Pregnancy and contraception: Lithium can cause birth defects; discuss contraception. Notify healthcare providers immediately if planning pregnancy.