Is electroconvulsive therapy used today in many psychiatric hospitals?

Yes: Most, if not all, psychiatric hospitals use ect. It is an effective method for some disorders, primarily depression, that has failed medical therapy. It is done in a controlled setting with the psychiatrist and an anesthesiologist.

Yes: You will typically find access to ECT (electroconvulsive therapy) at major academic institutions in your state. Since ECT requires an anesthesiologist, most ECT is done at behavioral units connected closely with a hospital.