Affect Disorders Flashcards
What are the core symptoms of depression? What are some other symptoms?
Low mood > 2 weeks
Loss of energy
Loss of pleasure
DEAD SWAMP
depressed
energy loss
anhedonia
death thoughts
sleep disturbance worthlessness/guilt appetite/weight loss mentation psychomotor agitation
How would you classify mild, moderate and severe depression?
Mild - core + 2/3 others +/- somatic symptoms
Moderate - core + 4 others +/- somatic symptoms
Severe - core + several symptoms (suicidal, marked loss of functioning) with/without psychotic symptoms
*psychotic symptoms (nihilistic, guilty delusions, derogatory voices)
What are some examples of somatic symptoms seen In depression?
decreased appetite
decreased weight (5% reduction in body weight/month)
constipation
early morning waking (atleast 2 hrs before usual time)
diurnal variation of mood (feel worst on waking)
decreased libido
amenorrhoea
What investigations would you carry out for depression?
PHQ2/9
Edinburgh Postnatal Depression scale
Hamilton Depression Rating Scale
Hamilton Anxiety Rating Scale
Addenbrooke’s Cognitive Examination
FBC, U&E, TFT, LFT
Illicit drugs
EEG, CT, MRI
What is treatment for Depression?
CBT SSRIs (fluoxetine, citalopram, sertraline) SNRIs (duloxetine, venlafaxine) TCAs (amitriptyline) MAOIs (phenelzine) NassA (mirtazapine)
What are some side effects of SSRIs?
GI side effects
Serotonin syndrome
What are some side effects of TCAs?
arrythmias - prolonged QT
What precautions need to be taken for MAOIs?
Increased risk of hypertension, avoid tyramine containing foods (cheese, red wine, broad beans)
What drugs can cause Serotonin Syndrome?
SSRIs, MAOIs, Ectasy and Amphetamines
How would Serotonin Syndrome present?
Cognitive : agitation, confusion, euphoria, insomnia, hypomania
Autonomic : tachycardia, HTN, fever, arrthymia
Neuromuscular : tremor, hyperreflexia, clonus, ataxia
What are symptoms of SSRI withdrawal? What can be done to avoid this?
headache, nausea, vomiting. anxiety
withdraw by tapering over >/ 4 weeks
What is the ICD-10 definition of Bipolar?
Hitsory of atleast two episodes of mood disturbance with one being mania or hypomania
How would you differentiate Bipolar I from Bipolar II?
Bipolar 1 disorder : a minimum of one manic or mixed episode.
Bipolar 2 disorder : at least one episode of hypomania along with one episode of major depression.
How a manic patient present?
elevation of mood (elation/irritability or anger)
increased energy
over-activity
pressure-of-speech
reduced sleep
loss of social and sexual inhibition
poor attention and concentration
How do you differentiate Hypomania from Mania?
hypomania doesn’t disrupt work or social rejection
lasts around 4 days while mania is more than 7 days
What are differential diagnosis for Bipolar?
Increased activity and restlessness = hyperthyroid and anorexia nervosa
Schizophrenia
Agitated Depression
Severe OCD
What are some risk factors for Bipolar?
Family History
Recent life event - 6 months before
working class women
physical illness
anti-depressant
amphetamines
What is the management of Bipolar?
In an acute episode of Mania - haloperidol, olanzapine, quetiapin or risperidone
Long term management:
Lithium
S.Valproate
Carbamezepine
ECT
What is the therapeutic range for Lithium?
0.4 - 1.0
What are some signs of Lithium Toxicity?
blurred vision
coarse tremor
muscle weakness
ataxia
N&V
seizures and coma
What are contraindications for Lithium?
renal insufficiency
CVS insufficiency
Addison’s
Untreated Hypothyroism`
When does Schizophrenia present?
2nd-3rd decade
And a smaller peak late middle age
What are first rank symptoms of schizophrenia?
Auditory Hallucinations
Thought Alienation - insertion, withdrawal and broadcasting
Passivity Phenomena
Delusional Perception
What are secondary symptoms of schizophrenia?
Delusions
Persistent Hallucinations
Catatonic Behaviour
Negative Behaviour - marked apathy, poverty of speech, social withdrawal
Change in personal behaviour
What are some paranoid schizophrenia symptoms?
Persecution
Reference
Exalted Birth
Bodily change
Jealousy
Hallucinating voices of threat or issue commands
What is a distinct sign of Hebephrenic Schizophrenia?
Irrresponsible and unpredictable behaviour - pranks etc.
What is paraphrenia?
Late onset schizophrenia - after 60 years old
What are differentials for schizophrenia?
Bipolar
Mania
Depression
Personality Disorder
What are some risk factors for schizophrenia?
Family History (if both parents 46%)
Intrauterine complications/infections
Social Isolation
triggered by : stress, high emotion and drug misuse
How would you investigate schizophrenia?
FBC. U&E, LFTs, TFTs, glucose, calcium, cortisol, cultures
exclude organic causes - head injury, CNS infection, hypernatraemia, hypocalcaemia
hyperthyroid, cushings
alcohol, stimulants, hallucinogens
What is the PHQ and SADPERSONs score?
PHQ-9 score. This is a 9 question survey that is used
to establish the severity of an individuals depression
SADPERSONs score is used to calculate suicide risk, and might be appropriate if this patient revealed a suicidal intent, but would not be used as an initial assessment of depressio .
How would you manage Schizophrenia?
Conventional - Haloperidol, Chlorpromazine
Atypical - Risperidone, Olanzapine (increased weight and sedative), Quetiapine
*treatment resistant - Clozapine
CBT
What are side-effects associated with conventional antipsychotics?
Extrapyramidal side-effects
Parkinsonism
acute dystonia (e.g. torticollis, oculogyric crisis)
akathisia (severe restlessness)
tardive dyskinesia (late onset of choreoathetoid movements, abnormal, involuntary, may occur in 40% of patients, may be irreversible, most common is chewing and pouting of jaw)