Question: Although electroconvulsive therapy (ECT) has been a controversial form of therapy for many years, it has been shown to be and effective treatment for very serious forms of depression and is generally considered in which of the following situations? Group of answer choices If patients have comorbid substance use disorders and shouldn't be taking other psychoactive medications. If patients' response to antidepressant medication is inadequate or ineffective. When the symptoms of depression are mixed with symptoms of other mood disorders. mild. For patients in the manic stages of bipolar illness, especially if psychotic symptoms are present. the patient is currently experiencing a manic episode.