electroshock therapy
US /ɪˌlektrəʊˈʃɑːk ˌθerəpi/
UK /ɪˌlektrəʊˈʃɑːk ˌθerəpi/

1.
a psychiatric treatment in which seizures are electrically induced in patients to provide relief from mental disorders
:
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Electroshock therapy is sometimes used for severe depression.
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The doctor recommended electroshock therapy as a last resort.