A Client with Cognitive Deficits Is Extremely Suicidal

A client with cognitive deficits is extremely suicidal.The client has not responded to antidepressants and the treatment team is considering ECT.Which client information would impact the feasibility of this treatment option?

A) Because the client is extremely suicidal,ECT is an appropriate option.
B) Because antidepressant medications have been ineffective,ECT is a good alternative.
C) Because informed consent is required for ECT,cognitive deficits could preclude this option.
D) Because of the client's cognitive deficits,a signed consent is waived.