ECT Flashcards

1
Q

Indications for ECT x5

A

Catatonia
Severe depression
Treatment resistant mania
Treatment resistant psychosis
Neuroleptic malignant syndrome

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2
Q

Contraindications for ECT x5

A

CVA/ MI
Pheochromocytoma
Intracerenral hemorrhage
Recent brain surgery
Increased intracranial pressure

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3
Q

Physiological changes that occur during ECT x2

A

Increased blood flow to the brain
Increased BBB permeability

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4
Q

Biochemical changes during ECT x3

A

Increased neurotrophic factors
Changes the way neurotransmitters work
Increase gene expression for different brain proteins

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5
Q

Structural changes during ECT

A

Increase in size of amygdala

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6
Q

What are neurotrophic factors

A

Biochemicals that support growth, survival and differentiation of developing and mature neurons

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7
Q

How to know if they are having seizures x4

A

EEG
EMG
BP cuff
Muscle movements

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8
Q

Initial seizure threshold

A

50-100 mC

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9
Q

Which hemisphere is unilateral ECT given

A

Non dominant hemisphere

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10
Q

When is unilateral ECT given x3

A

Previously good response on UECT
Priority to minimize memory impairment
When speed of response is less important

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11
Q

Side effects of ECT x5

A

Confusion
Headache
Muscle aches
Memory impairment
Injuries to inside of mouth

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12
Q

How to minimize memory impairment x4

A

Unilateral ECT
Reduce frequency of sessions
Slower dose titrations
Use of brief pulse instead of sine wave

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13
Q

What is a prolonged seizure, how is it managed and prevented

A

Seizure> 180 seconds
IV Diazepam 5-10mg
Use of lower dose on next ECT

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14
Q

Classification of ECT x5

A

Anesthesia: direct or modified
Electrode placement: bifrontal, bitemporal, unilateral

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15
Q

Describe where bitemporal lobes are placed

A

5cm of the external canthus of the eye

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16
Q

Describe where bifrontal lobes are placed

A

4cm above the midpoint of the line joining the canthus of the eye and the tragus of the ear

17
Q

Phases of seizures in response to ECT x5

A

Onset
Tonic phase
Clonic phase
Post ictal suppression
Recovery phase

18
Q

How to monitor a seizure x3

A

Cuff method
EEG monitoring
Eye inspection

19
Q

Side effects due to anesthesia x5

A

Nausea and vomiting
Myalgia & headache
Difficult breathing
Airway irritation
Death

20
Q

Side effects of ECT x5

A

Confusion
Memory loss
Emotional blunting
Retrograde amnesia
Cognitive impairment