Psychiatry-Interventional Psychiatry

Question 1

How does transcranial magnetic stimulation (TMS) work?

Answer 1

You put an electromagnet parallel to the hypoactive region of the brain. This stimulates electrical activity the region that has lower function to treat the patient’s condition.

Question 2

What are chronic effects of rTMS (repetitive use)?

Answer 2

Increased BDNF. Long term potentiation with certain pulse sequences and long term inhibition with other pulse sequences.

Question 3

Use for rTMS

Answer 3

Only cleared for MDD currently.

Question 4

What are common adverse effects of vagal nerve stimulation?

Answer 4

Surgery and sleep apnea due to increased vagal tone.

Question 5

Risky procedure approved for Parkinson’s, essential tremor and dystonia.

Answer 5

Deep brain stimulation, sits on globes pallidus.

Question 6

Uses of ECT

Answer 6

MDD, BPD, Catatonia, Schizophrenia

Question 7

Adverse effects of ECT

Answer 7

Retrograde (rarely can’t remember big events) and Anterograde amnesia.